45512880 has 80 divisors (see below), whose sum is σ = 161251584. Its totient is φ = 10402560.

The previous prime is 45512879. The next prime is 45512891. The reversal of 45512880 is 8821554.

45512880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11866 + ... + 15225.

Almost surely, 2^45512880 is an apocalyptic number.

45512880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45512880 is an abundant number, since it is smaller than the sum of its proper divisors (115738704).

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

45512880 is a wasteful number, since it uses less digits than its factorization.

45512880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27114 (or 27108 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 45512880 is about 6746.3234431800. The cubic root of 45512880 is about 357.0355322463.

The spelling of 45512880 in words is "forty-five million, five hundred twelve thousand, eight hundred eighty".