45392 has 10 divisors (see below), whose sum is σ = 87978. Its totient is φ = 22688.

The previous prime is 45389. The next prime is 45403. The reversal of 45392 is 29354.

It can be written as a sum of positive squares in only one way, i.e., 26896 + 18496 = 164^2 + 136^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403 + ... + 1434.

2⁴⁵³⁹² is an apocalyptic number.

It is an amenable number.

45392 is a deficient number, since it is larger than the sum of its proper divisors (42586).

45392 is a wasteful number, since it uses less digits than its factorization.

45392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845 (or 2839 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 45392 is about 213.0539837694. The cubic root of 45392 is about 35.6719162312.

Subtracting from 45392 its sum of digits (23), we obtain a square (45369 = 213²).

It can be divided in two parts, 453 and 92, that added together give a palindrome (545).

The spelling of 45392 in words is "forty-five thousand, three hundred ninety-two".