45 may refer to: *

45 (number) 45 (forty-five) is the natural number following 44 and followed by 46. In mathematics Forty-five is the smallest odd number that has more divisors than n+1, and that has a larger sum of divisors than n+1. It is the sixth positive integer with ...

* one of the years

45 BC __NOTOC__ Year 45 BC was either a common year starting on Thursday, Friday or Saturday or a leap year starting on Friday or Saturday (link will display the full calendar) (the sources differ, see leap year error for further information) an ...

, AD 45,

1945 1945 marked the end of World War II and the fall of Nazi Germany and the Empire of Japan. It is also the only year in which Nuclear weapon, nuclear weapons Atomic bombings of Hiroshima and Nagasaki, have been used in combat. Events Below, ...

, 2045

Film

* ''45'' (film), directed by Peter Coster (2009) * ''.45'' (film), directed by Gary Lennon (2006)

Music

* ''45'' (Jaguares album), 2008 * ''45'' (Kino album), 1982 * "45" (Bon Iver song), 2016 * "45" (The Gaslight Anthem song), 2012 * "45" (Shinedown song), 2003 * "45" (Elvis Costello song), 2002 *"Forty Five", a song by Karma to Burn from the album ''

Appalachian Incantation Appalachian may refer to: * Appalachian Mountains, a major mountain range in eastern United States and Canada * Appalachian Trail, a hiking trail in the eastern United States * The people of Appalachia and their culture ** Appalachian Americans, ...

'', 2010 *

45 rpm record In music, a single is a type of release, typically a song recording of fewer tracks than an LP record or an album. One can be released for sale to the public in a variety of formats. In most cases, a single is a song that is released separa ...

or 45, a common form of vinyl single

Other uses

Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021. Trump graduated from the Wharton School of the University of P ...

, the 45th President of the United States, with the nickname "45" * ''45'' (book), written by Bill Drummond *

.45 caliber This is a list of firearm cartridges which have bullets in the to caliber range. *''Length'' refers to the cartridge case Case or CASE may refer to: Containers * Case (goods) A case of some merchandise Merchandising is any practic ...

, a family of firearm cartridges ** A nickname for a handgun chambered in .45 caliber, such as the

M1911 pistol The M1911 (Colt 1911 or Colt Government) is a single-action, recoil-operated, semi-automatic pistol chambered for the .45 ACP cartridge. The pistol's formal U.S. military designation as of 1940 was ''Automatic Pistol, Caliber .45, M1911'' for t ...

Colt Single Action Army The Colt Single Action Army (also known as the SAA, Model P, Peacemaker, or M1873) is a Trigger (firearms)#Single-action, single-action revolver handgun. It was designed in 1872 for the U.S. government service revolver trials of 1872 by Colt's P ...

.45 ACP The .45 ACP ( Automatic Colt Pistol) or .45 Auto (11.43×23mm) is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol. After successful military trials, it ...

, pistol cartridge **

.45 Colt The .45 Colt (11.43×33mmR), is a rimmed, straight-walled, handgun cartridge dating to 1872. It was originally a black-powder revolver round developed for the Colt Single Action Army revolver. This cartridge was adopted by the U.S. Army in 1 ...

, revolver cartridge *

Jacobite rising of 1745 The Jacobite rising of 1745, also known as the Forty-five Rebellion or simply the '45 ( gd, Bliadhna Theàrlaich, , ), was an attempt by Charles Edward Stuart to regain the British throne for his father, James Francis Edward Stuart. It took ...

or "The '45", in the United Kingdom *

Forty-fives Forty-fives (also known as Auction Forty-Fives, Auction 120s, 120, and Growl) is a trick-taking card game that originated in Ireland. The game is popular in many communities throughout Atlantic Canada ( New Brunswick, Newfoundland, Nova Scot ...

, a card game *'The 45%', collective term used by

Scottish independence Scottish independence ( gd, Neo-eisimeileachd na h-Alba; sco, Scots unthirldom) is the idea of Scotland as a sovereign state, independent from the United Kingdom, and refers to the political movement that is campaigning to bring it about. ...

campaigners (after ratio of support in 2014 referendum) *

Fortyfive Fortyfive Co. Ltd. is a Japanese software development company known for its Tokyo Bus Guide and other SEGA Dreamcast games. Prior to 1997, the studio was known as AIM. Games as AIM *''Armadillo Armadillos (meaning "little armored ones" in ...

, a software development company {{Numberdis