45120874 has 4 divisors (see below), whose sum is σ = 67681314. Its totient is φ = 22560436.

The previous prime is 45120851. The next prime is 45120883. The reversal of 45120874 is 47802154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44689225 + 431649 = 6685^2 + 657^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11280217 + ... + 11280220.

Almost surely, 2^45120874 is an apocalyptic number.

45120874 is a deficient number, since it is larger than the sum of its proper divisors (22560440).

45120874 is a wasteful number, since it uses less digits than its factorization.

45120874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22560439.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 45120874 is about 6717.2073066119. The cubic root of 45120874 is about 356.0075167794.

The spelling of 45120874 in words is "forty-five million, one hundred twenty thousand, eight hundred seventy-four".