45881928 has 48 divisors (see below), whose sum is σ = 124787520. Its totient is φ = 15229536.

The previous prime is 45881923. The next prime is 45881951. The reversal of 45881928 is 82918854.

It is a happy number.

45881928 is a `hidden beast` number, since 458 + 8 + 192 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (45881923) 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, 17725 + ... + 20147.

It is an arithmetic number, because the mean of its divisors is an integer number (2599740).

Almost surely, 2^45881928 is an apocalyptic number.

It is an amenable number.

45881928 is an abundant number, since it is smaller than the sum of its proper divisors (78905592).

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

45881928 is a wasteful number, since it uses less digits than its factorization.

45881928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698 (or 2691 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 45881928 is about 6773.6200070568. The cubic root of 45881928 is about 357.9979609343.

The spelling of 45881928 in words is "forty-five million, eight hundred eighty-one thousand, nine hundred twenty-eight".