45198937 has 16 divisors (see below), whose sum is σ = 55520640. Its totient is φ = 35912448.

The previous prime is 45198931. The next prime is 45198949. The reversal of 45198937 is 73989154.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45198937 - 2⁷ = 45198809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45198931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5139 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (3470040).

Almost surely, 2^45198937 is an apocalyptic number.

It is an amenable number.

45198937 is a deficient number, since it is larger than the sum of its proper divisors (10321703).

45198937 is a wasteful number, since it uses less digits than its factorization.

45198937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760.

The product of its digits is 272160, while the sum is 46.

The square root of 45198937 is about 6723.0154692667. The cubic root of 45198937 is about 356.2127063864.

It can be divided in two parts, 4519 and 8937, that added together give a square (13456 = 116²).

The spelling of 45198937 in words is "forty-five million, one hundred ninety-eight thousand, nine hundred thirty-seven".