45515180 has 24 divisors (see below), whose sum is σ = 98166768. Its totient is φ = 17713728.

The previous prime is 45515167. The next prime is 45515191. The reversal of 45515180 is 8151554.

It is a super-2 number, since 2×45515180² = 4143263220864800, which contains 22 as substring.

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, 30014 + ... + 31493.

It is an arithmetic number, because the mean of its divisors is an integer number (4090282).

Almost surely, 2^45515180 is an apocalyptic number.

It is an amenable number.

45515180 is an abundant number, since it is smaller than the sum of its proper divisors (52651588).

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

45515180 is a wasteful number, since it uses less digits than its factorization.

45515180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61553 (or 61551 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 45515180 is about 6746.4939042439. The cubic root of 45515180 is about 357.0415464258.

The spelling of 45515180 in words is "forty-five million, five hundred fifteen thousand, one hundred eighty".