45756978 has 32 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 14202576.

The previous prime is 45756973. The next prime is 45756989. The reversal of 45756978 is 87965754.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45756978.

It is not an unprimeable number, because it can be changed into a prime (45756973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3325 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^45756978 is an apocalyptic number.

45756978 is an abundant number, since it is smaller than the sum of its proper divisors (52220622).

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

45756978 is a wasteful number, since it uses less digits than its factorization.

45756978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886.

The product of its digits is 2116800, while the sum is 51.

The square root of 45756978 is about 6764.3904381696. The cubic root of 45756978 is about 357.6726875299.

The spelling of 45756978 in words is "forty-five million, seven hundred fifty-six thousand, nine hundred seventy-eight".