45996639 has 32 divisors (see below), whose sum is σ = 69457920. Its totient is φ = 26877312.

The previous prime is 45996637. The next prime is 45996659. The reversal of 45996639 is 93669954.

It is a happy number.

It is not a de Polignac number, because 45996639 - 2¹ = 45996637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45996591 and 45996600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45996637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75474 + ... + 76080.

It is an arithmetic number, because the mean of its divisors is an integer number (2170560).

Almost surely, 2^45996639 is an apocalyptic number.

45996639 is a deficient number, since it is larger than the sum of its proper divisors (23461281).

45996639 is a wasteful number, since it uses less digits than its factorization.

45996639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719.

The product of its digits is 1574640, while the sum is 51.

The square root of 45996639 is about 6782.0822023918. The cubic root of 45996639 is about 358.2960603500.

The spelling of 45996639 in words is "forty-five million, nine hundred ninety-six thousand, six hundred thirty-nine".