45188480 has 32 divisors (see below), whose sum is σ = 108030240. Its totient is φ = 18075136.

The previous prime is 45188477. The next prime is 45188501. The reversal of 45188480 is 8488154.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 34664 + ... + 35943.

It is an arithmetic number, because the mean of its divisors is an integer number (3375945).

Almost surely, 2^45188480 is an apocalyptic number.

45188480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45188480 is an abundant number, since it is smaller than the sum of its proper divisors (62841760).

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

45188480 is an equidigital number, since it uses as much as digits as its factorization.

45188480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70626 (or 70614 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 45188480 is about 6722.2377226635. The cubic root of 45188480 is about 356.1852337376.

The spelling of 45188480 in words is "forty-five million, one hundred eighty-eight thousand, four hundred eighty".