45649568 has 24 divisors (see below), whose sum is σ = 90034560. Its totient is φ = 22783680.

The previous prime is 45649559. The next prime is 45649619. The reversal of 45649568 is 86594654.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25073 + ... + 26831.

It is an arithmetic number, because the mean of its divisors is an integer number (3751440).

Almost surely, 2^45649568 is an apocalyptic number.

It is an amenable number.

45649568 is a deficient number, since it is larger than the sum of its proper divisors (44384992).

45649568 is a wasteful number, since it uses less digits than its factorization.

45649568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580 (or 2572 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 45649568 is about 6756.4464032508. The cubic root of 45649568 is about 357.3926011194.

The spelling of 45649568 in words is "forty-five million, six hundred forty-nine thousand, five hundred sixty-eight".