45815568 has 20 divisors (see below), whose sum is σ = 118357008. Its totient is φ = 15271840.

The previous prime is 45815557. The next prime is 45815579. The reversal of 45815568 is 86551854.

It is an interprime number because it is at equal distance from previous prime (45815557) and next prime (45815579).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477198 + ... + 477293.

Almost surely, 2^45815568 is an apocalyptic number.

45815568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45815568 is an abundant number, since it is smaller than the sum of its proper divisors (72541440).

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

45815568 is a wasteful number, since it uses less digits than its factorization.

45815568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954502 (or 954496 counting only the distinct ones).

The product of its digits is 192000, while the sum is 42.

The square root of 45815568 is about 6768.7198198773. The cubic root of 45815568 is about 357.8252843255.

The spelling of 45815568 in words is "forty-five million, eight hundred fifteen thousand, five hundred sixty-eight".