45309580 has 24 divisors (see below), whose sum is σ = 96712560. Its totient is φ = 17826240.

The previous prime is 45309577. The next prime is 45309619. The reversal of 45309580 is 8590354.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17350 + ... + 19789.

It is an arithmetic number, because the mean of its divisors is an integer number (4029690).

Almost surely, 2^45309580 is an apocalyptic number.

It is an amenable number.

45309580 is an abundant number, since it is smaller than the sum of its proper divisors (51402980).

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

45309580 is a wasteful number, since it uses less digits than its factorization.

45309580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37209 (or 37207 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 45309580 is about 6731.2391132688. The cubic root of 45309580 is about 356.5031286055.

The spelling of 45309580 in words is "forty-five million, three hundred nine thousand, five hundred eighty".