45521928 has 48 divisors (see below), whose sum is σ = 123617520. Its totient is φ = 15133536.

The previous prime is 45521923. The next prime is 45521941. The reversal of 45521928 is 82912554.

45521928 is a `hidden beast` number, since 45 + 521 + 92 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45521892 and 45521901.

It is not an unprimeable number, because it can be changed into a prime (45521923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39975 + ... + 41097.

It is an arithmetic number, because the mean of its divisors is an integer number (2575365).

Almost surely, 2^45521928 is an apocalyptic number.

It is an amenable number.

45521928 is an abundant number, since it is smaller than the sum of its proper divisors (78095592).

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

45521928 is a wasteful number, since it uses less digits than its factorization.

45521928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1691 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 45521928 is about 6746.9939973295. The cubic root of 45521928 is about 357.0591903364.

The spelling of 45521928 in words is "forty-five million, five hundred twenty-one thousand, nine hundred twenty-eight".