45169636 has 24 divisors (see below), whose sum is σ = 80491320. Its totient is φ = 22176000.

The previous prime is 45169589. The next prime is 45169643. The reversal of 45169636 is 63696154.

It can be written as a sum of positive squares in 4 ways, for example, as 360000 + 44809636 = 600^2 + 6694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64086 + ... + 64786.

It is an arithmetic number, because the mean of its divisors is an integer number (3353805).

Almost surely, 2^45169636 is an apocalyptic number.

It is an amenable number.

45169636 is a deficient number, since it is larger than the sum of its proper divisors (35321684).

45169636 is a wasteful number, since it uses less digits than its factorization.

45169636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 973 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 45169636 is about 6720.8359599086. The cubic root of 45169636 is about 356.1357160454.

The spelling of 45169636 in words is "forty-five million, one hundred sixty-nine thousand, six hundred thirty-six".