45718238 has 4 divisors (see below), whose sum is σ = 68577360. Its totient is φ = 22859118.

The previous prime is 45718229. The next prime is 45718259. The reversal of 45718238 is 83281754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83281754 = 2 ⋅41640877.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11429558 + ... + 11429561.

It is an arithmetic number, because the mean of its divisors is an integer number (17144340).

Almost surely, 2^45718238 is an apocalyptic number.

45718238 is a deficient number, since it is larger than the sum of its proper divisors (22859122).

45718238 is a wasteful number, since it uses less digits than its factorization.

45718238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22859121.

The product of its digits is 53760, while the sum is 38.

The square root of 45718238 is about 6761.5263069813. The cubic root of 45718238 is about 357.5717182147.

The spelling of 45718238 in words is "forty-five million, seven hundred eighteen thousand, two hundred thirty-eight".