45020868 has 12 divisors (see below), whose sum is σ = 105048720. Its totient is φ = 15006952.

The previous prime is 45020863. The next prime is 45020869. The reversal of 45020868 is 86802054.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (45020863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875858 + ... + 1875881.

It is an arithmetic number, because the mean of its divisors is an integer number (8754060).

Almost surely, 2^45020868 is an apocalyptic number.

It is an amenable number.

45020868 is an abundant number, since it is smaller than the sum of its proper divisors (60027852).

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

45020868 is a wasteful number, since it uses less digits than its factorization.

45020868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751746 (or 3751744 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 45020868 is about 6709.7591611026. The cubic root of 45020868 is about 355.7443036185.

The spelling of 45020868 in words is "forty-five million, twenty thousand, eight hundred sixty-eight".