45531500 has 48 divisors (see below), whose sum is σ = 113655360. Its totient is φ = 15609600.

The previous prime is 45531469. The next prime is 45531503. The reversal of 45531500 is 513554.

45531500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45531503) by changing a digit.

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, 3005 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (2367820).

Almost surely, 2^45531500 is an apocalyptic number.

It is an amenable number.

45531500 is an abundant number, since it is smaller than the sum of its proper divisors (68123860).

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

45531500 is a wasteful number, since it uses less digits than its factorization.

45531500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13035 (or 13023 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 45531500 is about 6747.7033129799. The cubic root of 45531500 is about 357.0842151336.

The spelling of 45531500 in words is "forty-five million, five hundred thirty-one thousand, five hundred".