45003672 has 48 divisors (see below), whose sum is σ = 139298640. Its totient is φ = 12858048.

The previous prime is 45003631. The next prime is 45003683. The reversal of 45003672 is 27630054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44143 + ... + 45150.

It is an arithmetic number, because the mean of its divisors is an integer number (2902055).

Almost surely, 2^45003672 is an apocalyptic number.

45003672 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45003672 is an abundant number, since it is smaller than the sum of its proper divisors (94294968).

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

45003672 is a wasteful number, since it uses less digits than its factorization.

45003672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89312 (or 89305 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 45003672 is about 6708.4776216367. The cubic root of 45003672 is about 355.6990049357.

The spelling of 45003672 in words is "forty-five million, three thousand, six hundred seventy-two".