45731488 has 24 divisors (see below), whose sum is σ = 98219520. Its totient is φ = 20786880.

The previous prime is 45731473. The next prime is 45731501. The reversal of 45731488 is 88413754.

45731488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45731488.

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 3 ways as a sum of consecutive naturals, for example, 64608 + ... + 65311.

It is an arithmetic number, because the mean of its divisors is an integer number (4092480).

Almost surely, 2^45731488 is an apocalyptic number.

It is an amenable number.

45731488 is an abundant number, since it is smaller than the sum of its proper divisors (52488032).

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

45731488 is a wasteful number, since it uses less digits than its factorization.

45731488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129940 (or 129932 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 45731488 is about 6762.5060443596. The cubic root of 45731488 is about 357.6062585341.

The spelling of 45731488 in words is "forty-five million, seven hundred thirty-one thousand, four hundred eighty-eight".