45393907 has 24 divisors (see below), whose sum is σ = 52762560. Its totient is φ = 38918880.

The previous prime is 45393877. The next prime is 45393913. The reversal of 45393907 is 70939354.

It is a de Polignac number, because none of the positive numbers 2^k-45393907 is a prime.

It is the 6738-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45393907.

It is not an unprimeable number, because it can be changed into a prime (45393937) by changing a digit.

It is a nontrivial repunit in base 6737.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215032 + ... + 215242.

It is an arithmetic number, because the mean of its divisors is an integer number (2198440).

Almost surely, 2^45393907 is an apocalyptic number.

45393907 is a deficient number, since it is larger than the sum of its proper divisors (7368653).

45393907 is a wasteful number, since it uses less digits than its factorization.

45393907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 45393907 is about 6737.5000556586. The cubic root of 45393907 is about 356.7241577146.

The spelling of 45393907 in words is "forty-five million, three hundred ninety-three thousand, nine hundred seven".