45239632 has 20 divisors (see below), whose sum is σ = 88181856. Its totient is φ = 22483040.

The previous prime is 45239629. The next prime is 45239639. The reversal of 45239632 is 23693254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45239639) 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, 5794 + ... + 11137.

Almost surely, 2^45239632 is an apocalyptic number.

It is an amenable number.

45239632 is a deficient number, since it is larger than the sum of its proper divisors (42942224).

45239632 is a wasteful number, since it uses less digits than its factorization.

45239632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17106 (or 17100 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 45239632 is about 6726.0413320169. The cubic root of 45239632 is about 356.3195800483.

The spelling of 45239632 in words is "forty-five million, two hundred thirty-nine thousand, six hundred thirty-two".