45043632 has 60 divisors (see below), whose sum is σ = 126529104. Its totient is φ = 14958720.

The previous prime is 45043627. The next prime is 45043639. The reversal of 45043632 is 23634054.

It is a junction number, because it is equal to n+sod(n) for n = 45043596 and 45043605.

It is not an unprimeable number, because it can be changed into a prime (45043639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60253 + ... + 60995.

Almost surely, 2^45043632 is an apocalyptic number.

It is an amenable number.

45043632 is an abundant number, since it is smaller than the sum of its proper divisors (81485472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45043632 is a wasteful number, since it uses less digits than its factorization.

45043632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 45043632 is about 6711.4552818297. The cubic root of 45043632 is about 355.8042521059.

Adding to 45043632 its reverse (23634054), we get a palindrome (68677686).

The spelling of 45043632 in words is "forty-five million, forty-three thousand, six hundred thirty-two".