45193868 has 6 divisors (see below), whose sum is σ = 79089276. Its totient is φ = 22596932.

The previous prime is 45193867. The next prime is 45193891. The reversal of 45193868 is 86839154.

It is not an unprimeable number, because it can be changed into a prime (45193867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5649230 + ... + 5649237.

It is an arithmetic number, because the mean of its divisors is an integer number (13181546).

Almost surely, 2^45193868 is an apocalyptic number.

It is an amenable number.

45193868 is a deficient number, since it is larger than the sum of its proper divisors (33895408).

45193868 is a wasteful number, since it uses less digits than its factorization.

45193868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11298471 (or 11298469 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 45193868 is about 6722.6384701247. The cubic root of 45193868 is about 356.1993896300.

The spelling of 45193868 in words is "forty-five million, one hundred ninety-three thousand, eight hundred sixty-eight".