45938438 has 16 divisors (see below), whose sum is σ = 84809760. Its totient is φ = 18173376.

The previous prime is 45938419. The next prime is 45938441. The reversal of 45938438 is 83483954.

It is a super-2 number, since 2×45938438² = 4220680171759688, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126023 + ... + 126386.

It is an arithmetic number, because the mean of its divisors is an integer number (5300610).

Almost surely, 2^45938438 is an apocalyptic number.

45938438 is a deficient number, since it is larger than the sum of its proper divisors (38871322).

45938438 is a wasteful number, since it uses less digits than its factorization.

45938438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252431.

The product of its digits is 414720, while the sum is 44.

The square root of 45938438 is about 6777.7900528122. The cubic root of 45938438 is about 358.1448754587.

It can be divided in two parts, 4593 and 8438, that added together give a palindrome (13031).

The spelling of 45938438 in words is "forty-five million, nine hundred thirty-eight thousand, four hundred thirty-eight".