45388973 has 16 divisors (see below), whose sum is σ = 55121280. Its totient is φ = 36542016.

The previous prime is 45388969. The next prime is 45389023. The reversal of 45388973 is 37988354.

45388973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45388973 - 2² = 45388969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45388933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4490 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (3445080).

Almost surely, 2^45388973 is an apocalyptic number.

It is an amenable number.

45388973 is a deficient number, since it is larger than the sum of its proper divisors (9732307).

45388973 is a wasteful number, since it uses less digits than its factorization.

45388973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116.

The product of its digits is 725760, while the sum is 47.

The square root of 45388973 is about 6737.1338861566. The cubic root of 45388973 is about 356.7112327732.

The spelling of 45388973 in words is "forty-five million, three hundred eighty-eight thousand, nine hundred seventy-three".