45181960 has 32 divisors (see below), whose sum is σ = 101865600. Its totient is φ = 18036160.

The previous prime is 45181883. The next prime is 45181967. The reversal of 45181960 is 6918154.

It is not an unprimeable number, because it can be changed into a prime (45181967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27975 + ... + 29545.

It is an arithmetic number, because the mean of its divisors is an integer number (3183300).

Almost surely, 2^45181960 is an apocalyptic number.

45181960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45181960 is an abundant number, since it is smaller than the sum of its proper divisors (56683640).

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

45181960 is a wasteful number, since it uses less digits than its factorization.

45181960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 45181960 is about 6721.7527476098. The cubic root of 45181960 is about 356.1681022370.

The spelling of 45181960 in words is "forty-five million, one hundred eighty-one thousand, nine hundred sixty".