45139996 has 12 divisors (see below), whose sum is σ = 86176440. Its totient is φ = 20518160.

The previous prime is 45139967. The next prime is 45140003. The reversal of 45139996 is 69993154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512911 + ... + 512998.

It is an arithmetic number, because the mean of its divisors is an integer number (7181370).

Almost surely, 2^45139996 is an apocalyptic number.

It is an amenable number.

45139996 is a deficient number, since it is larger than the sum of its proper divisors (41036444).

45139996 is a wasteful number, since it uses less digits than its factorization.

45139996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025924 (or 1025922 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The square root of 45139996 is about 6718.6305152166. The cubic root of 45139996 is about 356.0578010764.

It can be divided in two parts, 45 and 139996, that added together give a palindrome (140041).

The spelling of 45139996 in words is "forty-five million, one hundred thirty-nine thousand, nine hundred ninety-six".