45720500 has 48 divisors (see below), whose sum is σ = 114127104. Its totient is φ = 15674400.

The previous prime is 45720487. The next prime is 45720523. The reversal of 45720500 is 502754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3032 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (2377648).

Almost surely, 2^45720500 is an apocalyptic number.

It is an amenable number.

45720500 is an abundant number, since it is smaller than the sum of its proper divisors (68406604).

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

45720500 is a wasteful number, since it uses less digits than its factorization.

45720500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089 (or 13077 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 45720500 is about 6761.6935748376. The cubic root of 45720500 is about 357.5776153061.

The spelling of 45720500 in words is "forty-five million, seven hundred twenty thousand, five hundred".