45871938 has 36 divisors (see below), whose sum is σ = 115618230. Its totient is φ = 13106016.

The previous prime is 45871937. The next prime is 45871961. The reversal of 45871938 is 83917854.

45871938 is a `hidden beast` number, since 458 + 7 + 193 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23941449 + 21930489 = 4893^2 + 4683^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45871893 and 45871902.

It is not an unprimeable number, because it can be changed into a prime (45871937) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25123 + ... + 26886.

Almost surely, 2^45871938 is an apocalyptic number.

45871938 is an abundant number, since it is smaller than the sum of its proper divisors (69746292).

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

45871938 is a wasteful number, since it uses less digits than its factorization.

45871938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52031 (or 52021 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 45871938 is about 6772.8825473354. The cubic root of 45871938 is about 357.9719764172.

The spelling of 45871938 in words is "forty-five million, eight hundred seventy-one thousand, nine hundred thirty-eight".