45186874 has 4 divisors (see below), whose sum is σ = 67780314. Its totient is φ = 22593436.

The previous prime is 45186859. The next prime is 45186887. The reversal of 45186874 is 47868154.

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., 44796249 + 390625 = 6693^2 + 625^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45186874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11296717 + ... + 11296720.

Almost surely, 2^45186874 is an apocalyptic number.

45186874 is a deficient number, since it is larger than the sum of its proper divisors (22593440).

45186874 is a wasteful number, since it uses less digits than its factorization.

45186874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22593439.

The product of its digits is 215040, while the sum is 43.

The square root of 45186874 is about 6722.1182673321. The cubic root of 45186874 is about 356.1810140762.

The spelling of 45186874 in words is "forty-five million, one hundred eighty-six thousand, eight hundred seventy-four".