45089968 has 40 divisors (see below), whose sum is σ = 108921600. Its totient is φ = 17567040.

The previous prime is 45089963. The next prime is 45089969. The reversal of 45089968 is 86998054.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45089963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17068 + ... + 19531.

It is an arithmetic number, because the mean of its divisors is an integer number (2723040).

Almost surely, 2^45089968 is an apocalyptic number.

It is an amenable number.

45089968 is an abundant number, since it is smaller than the sum of its proper divisors (63831632).

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

45089968 is a wasteful number, since it uses less digits than its factorization.

45089968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36625 (or 36619 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 45089968 is about 6714.9064029218. The cubic root of 45089968 is about 355.9262145612.

The spelling of 45089968 in words is "forty-five million, eighty-nine thousand, nine hundred sixty-eight".