45 (number)

This article is about the number 45. For the year, see 45.

45 (forty-five) is a number. It comes between forty-four and forty-six, and is an odd number. It is divisible by 1, 3, 5, 9, 15, and 45.

← 44 45 46 →
← 40 41 42 43 44 45 46 47 48 49 → List of numbers — Integers ← 0 10 20 30 40 50 60 70 80 90 →
Cardinal	forty-five
Ordinal	45th (forty-fifth)
Factorization	32× 5
Greek numeral	ΜΕ´
Roman numeral	XLV
Binary	1011012
Ternary	12003
Quaternary	2314
Quinary	1405
Senary	1136
Octal	558
Duodecimal	3912
Hexadecimal	2D16
Vigesimal	2520
Base 36	1936