45031874 has 8 divisors (see below), whose sum is σ = 68822460. Its totient is φ = 22091056.

The previous prime is 45031873. The next prime is 45031891. The reversal of 45031874 is 47813054.

It can be written as a sum of positive squares in 2 ways, for example, as 44823025 + 208849 = 6695^2 + 457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45031874.

It is not an unprimeable number, because it can be changed into a prime (45031873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212309 + ... + 212520.

Almost surely, 2^45031874 is an apocalyptic number.

45031874 is a deficient number, since it is larger than the sum of its proper divisors (23790586).

45031874 is a wasteful number, since it uses less digits than its factorization.

45031874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424884.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 45031874 is about 6710.5792596467. The cubic root of 45031874 is about 355.7732901972.

The spelling of 45031874 in words is "forty-five million, thirty-one thousand, eight hundred seventy-four".