45415732 has 6 divisors (see below), whose sum is σ = 79477538. Its totient is φ = 22707864.

The previous prime is 45415723. The next prime is 45415739. The reversal of 45415732 is 23751454.

It can be written as a sum of positive squares in only one way, i.e., 30869136 + 14546596 = 5556^2 + 3814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45415694 and 45415703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45415739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5676963 + ... + 5676970.

Almost surely, 2^45415732 is an apocalyptic number.

It is an amenable number.

45415732 is a deficient number, since it is larger than the sum of its proper divisors (34061806).

45415732 is a wasteful number, since it uses less digits than its factorization.

45415732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11353937 (or 11353935 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 45415732 is about 6739.1195270599. The cubic root of 45415732 is about 356.7813185236.

The spelling of 45415732 in words is "forty-five million, four hundred fifteen thousand, seven hundred thirty-two".