45112578 has 16 divisors (see below), whose sum is σ = 103114560. Its totient is φ = 12889296.

The previous prime is 45112553. The next prime is 45112597. The reversal of 45112578 is 87521154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537013 + ... + 537096.

It is an arithmetic number, because the mean of its divisors is an integer number (6444660).

Almost surely, 2^45112578 is an apocalyptic number.

45112578 is an abundant number, since it is smaller than the sum of its proper divisors (58001982).

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

45112578 is a wasteful number, since it uses less digits than its factorization.

45112578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074121.

The product of its digits is 11200, while the sum is 33.

The square root of 45112578 is about 6716.5897596920. The cubic root of 45112578 is about 355.9856967279.

The spelling of 45112578 in words is "forty-five million, one hundred twelve thousand, five hundred seventy-eight".