45685738 has 12 divisors (see below), whose sum is σ = 79717122. Its totient is φ = 19579560.

The previous prime is 45685733. The next prime is 45685741. The reversal of 45685738 is 83758654.

It can be written as a sum of positive squares in only one way, i.e., 36156169 + 9529569 = 6013^2 + 3087^2 .

It is not an unprimeable number, because it can be changed into a prime (45685733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232993 + ... + 233188.

Almost surely, 2^45685738 is an apocalyptic number.

45685738 is a deficient number, since it is larger than the sum of its proper divisors (34031384).

45685738 is a wasteful number, since it uses less digits than its factorization.

45685738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466197 (or 466190 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 45685738 is about 6759.1225761929. The cubic root of 45685738 is about 357.4869684069.

The spelling of 45685738 in words is "forty-five million, six hundred eighty-five thousand, seven hundred thirty-eight".