144 (one hundred ndforty-four) is the

natural number In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country"). Numbers used for counting are called ''cardinal ...

following 143 and preceding

145 145 may refer to: *145 (number), a natural number *AD 145, a year in the 2nd century AD *145 BC, a year in the 2nd century BC *145 (dinghy), a two-person intermediate sailing dinghy *145 (South) Brigade *145 (New Jersey bus) 145 may refer to: *14 ...

. 144 is a dozen

dozen A dozen (commonly abbreviated doz or dz) is a grouping of twelve. The dozen may be one of the earliest primitive integer groupings, perhaps because there are approximately a dozen cycles of the Moon, or months, in a cycle of the Sun, or year ...

s, or one gross.

In mathematics

144 is the twelfth

Fibonacci number In mathematics, the Fibonacci numbers, commonly denoted , form a sequence, the Fibonacci sequence, in which each number is the sum of the two preceding ones. The sequence commonly starts from 0 and 1, although some authors start the sequence from ...

, and the largest one to also be a

square In Euclidean geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90- degree angles, π/2 radian angles, or right angles). It can also be defined as a rectangle with two equal-length a ...

, as the square of 12 (which is also its index in the Fibonacci sequence), following 89 and preceding

233 __NOTOC__ Year 233 ( CCXXXIII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Claudius and Paternus (or, less frequently, year 986 ...

. 144 is the smallest number with exactly 15 divisors, but it is not highly composite since the smaller number

120 120 may refer to: *120 (number), the number * AD 120, a year in the 2nd century AD *120 BC, a year in the 2nd century BC *120 film, a film format for still photography * ''120'' (film), a 2008 film * 120 (MBTA bus) * 120 (New Jersey bus) * 120 (Ken ...

has 16 divisors. 144 is divisible by the value of its φ function, which returns 48 in this case. Also, there are 21 solutions to the equation φ(''x'') = 144, more than any integer below 144, making it a highly totient number. 144 = 27 + 84 + 110 + 133, the smallest number whose fifth

power Power most often refers to: * Power (physics), meaning "rate of doing work" ** Engine power, the power put out by an engine ** Electric power * Power (social and political), the ability to influence people or events ** Abusive power Power may a ...

is a sum of four (smaller) fifth powers. This solution was found in 1966 by L. J. Lander and T. R. Parkin, and disproved

Euler's sum of powers conjecture Euler's conjecture is a disproved conjecture in mathematics related to Fermat's Last Theorem. It was proposed by Leonhard Euler in 1769. It states that for all integers and greater than 1, if the sum of many th powers of positive integers i ...

. 144 is in base 10 a sum-product number, as well as the sum of a

twin prime A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair (41, 43). In other words, a twin prime is a prime that has a prime gap of two. Sometimes the term ''twin p ...

pair (71 + 73). The maximum determinant in a 9 by 9 matrix of zeroes and ones is 144. A regular

decagon In geometry, a decagon (from the Greek δέκα ''déka'' and γωνία ''gonía,'' "ten angles") is a ten-sided polygon or 10-gon.. The total sum of the interior angles of a simple decagon is 1440°. A self-intersecting ''regular decagon'' i ...

has an

internal angle In geometry, an angle of a polygon is formed by two sides of the polygon that share an endpoint. For a simple (non-self-intersecting) polygon, regardless of whether it is convex or non-convex, this angle is called an interior angle (or ) if ...

of 144 degrees. The

snub 24-cell In geometry, the snub 24-cell or snub disicositetrachoron is a convex uniform 4-polytope composed of 120 regular tetrahedral and 24 icosahedral cells. Five tetrahedra and three icosahedra meet at each vertex. In total it has 480 triangular faces ...

, one of three

semiregular polytope In geometry, by Thorold Gosset's definition a semiregular polytope is usually taken to be a polytope that is vertex-transitive and has all its facets being regular polytopes. E.L. Elte compiled a longer list in 1912 as ''The Semiregular Polyt ...

s in the fourth dimension, contains a total of 144 polyhedral cells: 120 regular

tetrahedra In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners. The tetrahedron is the simplest of all the o ...

and 24 regular

icosahedra In geometry, an icosahedron ( or ) is a polyhedron with 20 faces. The name comes and . The plural can be either "icosahedra" () or "icosahedrons". There are infinitely many non- similar shapes of icosahedra, some of them being more symmetrica ...

. 144 is a Harshad number, since 1+4+4=9, which is a divisor of 144.

In sports

* College Hoops Net (CHN) annual ranking of the Top 144 NCAA college basketball teams in 144 days. * The

CFL The Canadian Football League (CFL; french: Ligue canadienne de football—LCF) is a professional sports league in Canada. The CFL is the highest level of competition in Canadian football. The league consists of nine teams, each located in a ci ...

record for career

touchdown A touchdown (abbreviated as TD) is a scoring play in gridiron football. Whether running, passing, returning a kickoff or punt, or recovering a turnover, a team scores a touchdown by advancing the ball into the opponent's end zone. In Amer ...

receptions, held by

Milt Stegall Milton Eugene Stegall (born January 25, 1970) is a former professional gridiron football player who played 17 years of professional football, three years in the National Football League with the Cincinnati Bengals and 14 years in the Canadian Foo ...

of the

Winnipeg Blue Bombers The Winnipeg Blue Bombers are a professional Canadian football team based in Winnipeg, Manitoba. The Blue Bombers compete in the Canadian Football League (CFL) as a member club of the league's West division. They play their home games at IG Fie ...

In other fields

144 is also: * The year

AD 144 __NOTOC__ Year 144 ( CXLIV) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Rufus and Maximus (or, less frequently, year 897 ''Ab urbe ...

144 BC __NOTOC__ Year 144 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Galba and Cotta (or, less frequently, year 610 ''Ab urbe condita''). The denomination 144 BC for this year has been used ...

. * 144 AH is a year in the

Islamic calendar The Hijri calendar ( ar, ٱلتَّقْوِيم ٱلْهِجْرِيّ, translit=al-taqwīm al-hijrī), also known in English as the Muslim calendar and Islamic calendar, is a lunar calendar consisting of 12 lunar months in a year of 354 ...

that corresponds to 761–762 AD. * 144 Vibilia is a dark, large

Main belt The asteroid belt is a torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies, of many sizes, but much smaller than planets, called ...

asteroid. * The measurement, in cubits, of the wall of New Jerusalem shown by the seventh angel (

Bible The Bible (from Koine Greek , , 'the books') is a collection of religious texts or scriptures that are held to be sacred in Christianity, Judaism, Samaritanism, and many other religions. The Bible is an anthologya compilation of texts ...

Revelation In religion and theology, revelation is the revealing or disclosing of some form of truth or knowledge through communication with a deity or other supernatural entity or entities. Background Inspiration – such as that bestowed by God on the ...

21:17). * The atomic number of unquadquadium, a temporary chemical element. * The Intel 8086 instruction for no operation ( NOP). * The emergency phone number for animals in danger in the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

. * The telephone number for

directory assistance In telecommunications, directory assistance or directory inquiries is a phone service used to find out a specific telephone number and/or address of a residence, business, or government entity. Technology Directory assistance systems incorporate ...

Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...

. * The

emergency telephone number Most public switched telephone networks have a single emergency telephone number (sometimes known as the universal emergency telephone number or the emergency services number) that allows a caller to contact local emergency services for assis ...

for medical emergencies in Austria. and Switzerland. *

Psalm 144 Psalm 144 is the 144th psalm of the Book of Psalms, part of the final Davidic collection of psalms, comprising Psalms 138 to 145, which are specifically attributed to David in their opening verses. In the King James Version its opening words ar ...

. *

Sonnet 144 Sonnet 144 (along with Sonnet 138) was published in the '' Passionate Pilgrim'' (1599). Shortly before this, Francis Meres referred to Shakespeare's Sonnets in his handbook of Elizabethan poetry, '' Palladis Tamia, or Wit's Treasurie'', publishe ...

William Shakespeare William Shakespeare ( 26 April 1564 – 23 April 1616) was an English playwright, poet and actor. He is widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's nation ...

. * Rule 144A, of the U.S. Securities Act of 1933 deals with private resales of restricted securities. * Form 144 (December 6, 2007), amends Rule 144 under the United States Securities Act of 1933 which regulates the resale of restricted securities and securities held by affiliates. *

Section 144 Unlawful assembly is a legal term to describe a group of people with the mutual intent of deliberate disturbance of the peace. If the group is about to start an act of disturbance, it is termed a rout; if the disturbance is commenced, it is then ter ...

Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...

Code of Criminal Procedure prohibits assembly of five or more persons, public meetings, and carrying firearms. *

Tupolev Tu-144 The Tupolev Tu-144 (russian: Tyполев Ту-144; NATO reporting name: Charger) is a Soviet supersonic passenger airliner designed by Tupolev in operation from 1968 to 1999. The Tu-144 was the world's first commercial supersonic transport ai ...

was the first

supersonic transport A supersonic transport (SST) or a supersonic airliner is a civilian supersonic aircraft designed to transport passengers at speeds greater than the speed of sound. To date, the only SSTs to see regular service have been Concorde and the Tupol ...

aircraft (SST), constructed under the direction of the

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nation ...

Tupolev Tupolev (russian: Ту́полев, ), officially Joint Stock Company Tupolev, is a Russian aerospace and defence company headquartered in Basmanny District, Moscow. Tupolev is successor to the Soviet Tupolev Design Bureau ( OKB-156, design off ...

. * 1:144 scale is a scale used for some scale models. * The number of

square inch A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch. The following symbols are used to denote square inches: *square in *sq inches, sq inch, sq in *inches/-2, inch/-2, in/-2 *inches^2, inc ...

es in a

square foot The square foot (plural square feet; abbreviated sq. ft, sf, or ft2; also denoted by '2) is an imperial unit and U.S. customary unit (non- SI, non-metric) of area, used mainly in the United States and partially in Canada, the United Kingdom, Bang ...

. * Mahjong is usually played with a set of 144 tiles. * 144 (film), 2015 Indian Tamil film.

References

* Wells, D. ''

The Penguin Dictionary of Curious and Interesting Numbers ''The Penguin Dictionary of Curious and Interesting Numbers'' is a reference book for recreational mathematics and elementary number theory written by David Wells. The first edition was published in paperback by Penguin Books in 1986 in the UK, ...

''. London: Penguin Group. (1987): 139–140.

External links

The Natural Number 144

Hand-me-down christening gown that's 144 years old
{{Integers, 1 Integers

In mathematics

In sports

In other fields

See also

References

External links