45188731874 has 36 divisors (see below), whose sum is σ = 80677505538. Its totient is φ = 18960289920.

The previous prime is 45188731859. The next prime is 45188731877. The reversal of 45188731874 is 47813788154.

45188731874 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 3 ways, for example, as 15761044849 + 29427687025 = 125543^2 + 171545^2 .

It is not an unprimeable number, because it can be changed into a prime (45188731877) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 511559 + ... + 593354.

Almost surely, 2^45188731874 is an apocalyptic number.

45188731874 is a deficient number, since it is larger than the sum of its proper divisors (35488773664).

45188731874 is a wasteful number, since it uses less digits than its factorization.

45188731874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104963 (or 1104939 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 56.

The spelling of 45188731874 in words is "forty-five billion, one hundred eighty-eight million, seven hundred thirty-one thousand, eight hundred seventy-four".