45621504 has 54 divisors (see below), whose sum is σ = 131544686. Its totient is φ = 15206400.

The previous prime is 45621503. The next prime is 45621517. The reversal of 45621504 is 40512654.

It can be written as a sum of positive squares in only one way, i.e., 23040000 + 22581504 = 4800^2 + 4752^2 .

It is not an unprimeable number, because it can be changed into a prime (45621503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7597 + ... + 12204.

Almost surely, 2^45621504 is an apocalyptic number.

It is an amenable number.

45621504 is an abundant number, since it is smaller than the sum of its proper divisors (85923182).

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

45621504 is a wasteful number, since it uses less digits than its factorization.

45621504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19823 (or 19806 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 45621504 is about 6754.3692525653. The cubic root of 45621504 is about 357.3193479836.

The spelling of 45621504 in words is "forty-five million, six hundred twenty-one thousand, five hundred four".