45872240 has 40 divisors (see below), whose sum is σ = 107241648. Its totient is φ = 18247680.

The previous prime is 45872227. The next prime is 45872257. The reversal of 45872240 is 4227854.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 45872197 and 45872206.

It is a congruent number.

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, 13955 + ... + 16925.

Almost surely, 2^45872240 is an apocalyptic number.

45872240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45872240 is an abundant number, since it is smaller than the sum of its proper divisors (61369408).

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

45872240 is a wasteful number, since it uses less digits than its factorization.

45872240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177 (or 3171 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 45872240 is about 6772.9048420895. The cubic root of 45872240 is about 357.9727619904.

The spelling of 45872240 in words is "forty-five million, eight hundred seventy-two thousand, two hundred forty".