45737992 has 8 divisors (see below), whose sum is σ = 85758750. Its totient is φ = 22868992.

The previous prime is 45737971. The next prime is 45737999. The reversal of 45737992 is 29973754.

It can be written as a sum of positive squares in only one way, i.e., 39112516 + 6625476 = 6254^2 + 2574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (45737999) 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 as a sum of consecutive naturals, namely, 2858617 + ... + 2858632.

Almost surely, 2^45737992 is an apocalyptic number.

It is an amenable number.

45737992 is a deficient number, since it is larger than the sum of its proper divisors (40020758).

45737992 is a wasteful number, since it uses less digits than its factorization.

45737992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717255 (or 5717251 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 45737992 is about 6762.9869140787. The cubic root of 45737992 is about 357.6232108279.

The spelling of 45737992 in words is "forty-five million, seven hundred thirty-seven thousand, nine hundred ninety-two".