Divisors of the Positive Integer 45

1, 3, 5, 9, 15, 45

Sum of all the Divisors of 45, including itself

78

Sum of the Proper Divisors of 45

33

Properties of the number 45

The integer 45 is an odd number.
The integer 45 is a Composite number.
33 is less than 45, so 45 is a deficient number.

The number 45 as a Roman Numeral

XLV

The number 45 in various Numeral Systems

Base	Representation
2:	101101
3:	1200
4:	231
5:	140
6:	113
7:	63
8:	55
9:	50
10:	45
11:	41
12:	39
13:	36
14:	33
15:	30
16:	2D
17:	2B
18:	29
19:	27
20:	25
21:	23
22:	21
23:	1M
24:	1L
25:	1K
26:	1J
27:	1I
28:	1H
29:	1G
30:	1F
31:	1E
32:	1D
33:	1C
34:	1B
35:	1A
36:	19