46455138 has 12 divisors (see below), whose sum is σ = 100652838. Its totient is φ = 15485040.

The previous prime is 46455131. The next prime is 46455151. The reversal of 46455138 is 83155464.

It is a happy number.

46455138 is a `hidden beast` number, since 4 + 645 + 5 + 1 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43204329 + 3250809 = 6573^2 + 1803^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (46455131) 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, 1290403 + ... + 1290438.

Almost surely, 2^46455138 is an apocalyptic number.

46455138 is an abundant number, since it is smaller than the sum of its proper divisors (54197700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46455138 is a wasteful number, since it uses less digits than its factorization.

46455138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580849 (or 2580846 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 46455138 is about 6815.8006132809. The cubic root of 46455138 is about 359.4826364719.

The spelling of 46455138 in words is "forty-six million, four hundred fifty-five thousand, one hundred thirty-eight".