45188748 has 36 divisors (see below), whose sum is σ = 124612488. Its totient is φ = 13693440.

The previous prime is 45188723. The next prime is 45188789. The reversal of 45188748 is 84788154.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56661 + ... + 57452.

It is an arithmetic number, because the mean of its divisors is an integer number (3461458).

Almost surely, 2^45188748 is an apocalyptic number.

It is an amenable number.

45188748 is an abundant number, since it is smaller than the sum of its proper divisors (79423740).

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

45188748 is a wasteful number, since it uses less digits than its factorization.

45188748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114134 (or 114129 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 45188748 is about 6722.2576564723. The cubic root of 45188748 is about 356.1859378806.

The spelling of 45188748 in words is "forty-five million, one hundred eighty-eight thousand, seven hundred forty-eight".