45938439 has 24 divisors (see below), whose sum is σ = 68094000. Its totient is φ = 29832192.

The previous prime is 45938419. The next prime is 45938441. The reversal of 45938439 is 93483954.

It is a happy number.

It is not a de Polignac number, because 45938439 - 2⁸ = 45938183 is a prime.

It is a super-2 number, since 2×45938439² = 4220680355513442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45938394 and 45938403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45938419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91812 + ... + 92310.

It is an arithmetic number, because the mean of its divisors is an integer number (2837250).

Almost surely, 2^45938439 is an apocalyptic number.

45938439 is a deficient number, since it is larger than the sum of its proper divisors (22155561).

45938439 is a wasteful number, since it uses less digits than its factorization.

45938439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 748 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 45938439 is about 6777.7901265826. The cubic root of 45938439 is about 358.1448780575.

The spelling of 45938439 in words is "forty-five million, nine hundred thirty-eight thousand, four hundred thirty-nine".