45271880 has 32 divisors (see below), whose sum is σ = 103593600. Its totient is φ = 17800896.

The previous prime is 45271861. The next prime is 45271921. The reversal of 45271880 is 8817254.

It is a self number, because there is not a number n which added to its sum of digits gives 45271880.

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, 7232 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (3237300).

Almost surely, 2^45271880 is an apocalyptic number.

45271880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45271880 is an abundant number, since it is smaller than the sum of its proper divisors (58321720).

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

45271880 is a wasteful number, since it uses less digits than its factorization.

45271880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19253 (or 19249 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 45271880 is about 6728.4381545794. The cubic root of 45271880 is about 356.4042245965.

The spelling of 45271880 in words is "forty-five million, two hundred seventy-one thousand, eight hundred eighty".