45691924 has 12 divisors (see below), whose sum is σ = 80011764. Its totient is φ = 22831424.

The previous prime is 45691897. The next prime is 45691927. The reversal of 45691924 is 42919654.

It can be written as a sum of positive squares in 2 ways, for example, as 25603600 + 20088324 = 5060^2 + 4482^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45691927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6702 + ... + 11674.

It is an arithmetic number, because the mean of its divisors is an integer number (6667647).

Almost surely, 2^45691924 is an apocalyptic number.

It is an amenable number.

45691924 is a deficient number, since it is larger than the sum of its proper divisors (34319840).

45691924 is a wasteful number, since it uses less digits than its factorization.

45691924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274 (or 7272 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 45691924 is about 6759.5801644777. The cubic root of 45691924 is about 357.5031026513.

The spelling of 45691924 in words is "forty-five million, six hundred ninety-one thousand, nine hundred twenty-four".