45161937 has 6 divisors (see below), whose sum is σ = 65233922. Its totient is φ = 30107952.

The previous prime is 45161927. The next prime is 45161959. The reversal of 45161937 is 73916154.

45161937 is a `hidden beast` number, since 4 + 5 + 1 + 619 + 37 = 666.

45161937 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 only one way, i.e., 37344321 + 7817616 = 6111^2 + 2796^2 .

It is not a de Polignac number, because 45161937 - 2⁶ = 45161873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45161927) 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 5 ways as a sum of consecutive naturals, for example, 2508988 + ... + 2509005.

Almost surely, 2^45161937 is an apocalyptic number.

It is an amenable number.

45161937 is a deficient number, since it is larger than the sum of its proper divisors (20071985).

45161937 is a wasteful number, since it uses less digits than its factorization.

45161937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017999 (or 5017996 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 45161937 is about 6720.2631644899. The cubic root of 45161937 is about 356.1154808836.

The spelling of 45161937 in words is "forty-five million, one hundred sixty-one thousand, nine hundred thirty-seven".