45 (forty-five) is a positive integer following 44 and preceding 46. Its ordinal form is written "forty-fifth" or 45th.


In googology

In Greek-based number-naming systems, 45 is associated with prefix "pentatetraconta-", and with prefix "quinquadraginti-" in Latin systems.


As a banknote denomination

The third Burmese kyat had banknotes with this number in the denomination.

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