45020864 has 28 divisors (see below), whose sum is σ = 102101904. Its totient is φ = 19294464.

The previous prime is 45020863. The next prime is 45020869. The reversal of 45020864 is 46802054.

It is a tau number, because it is divible by the number of its divisors (28).

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, 49799 + ... + 50694.

Almost surely, 2^45020864 is an apocalyptic number.

It is an amenable number.

45020864 is an abundant number, since it is smaller than the sum of its proper divisors (57081040).

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

45020864 is a wasteful number, since it uses less digits than its factorization.

45020864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100512 (or 100502 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 45020864 is about 6709.7588630293. The cubic root of 45020864 is about 355.7442930828.

The spelling of 45020864 in words is "forty-five million, twenty thousand, eight hundred sixty-four".