45618973 has 12 divisors (see below), whose sum is σ = 49081788. Its totient is φ = 42249600.

The previous prime is 45618971. The next prime is 45618983. The reversal of 45618973 is 37981654.

45618973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40411449 + 5207524 = 6357^2 + 2282^2 .

It is not a de Polignac number, because 45618973 - 2¹ = 45618971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45618971) 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 11 ways as a sum of consecutive naturals, for example, 279790 + ... + 279952.

It is an arithmetic number, because the mean of its divisors is an integer number (4090149).

Almost surely, 2^45618973 is an apocalyptic number.

It is an amenable number.

45618973 is a deficient number, since it is larger than the sum of its proper divisors (3462815).

45618973 is a wasteful number, since it uses less digits than its factorization.

45618973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 281 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 45618973 is about 6754.1818897628. The cubic root of 45618973 is about 357.3127400472.

The spelling of 45618973 in words is "forty-five million, six hundred eighteen thousand, nine hundred seventy-three".