45318893 has 4 divisors (see below), whose sum is σ = 45357468. Its totient is φ = 45280320.

The previous prime is 45318883. The next prime is 45318919. The reversal of 45318893 is 39881354.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14160169 + 31158724 = 3763^2 + 5582^2 .

It is a cyclic number.

It is not a de Polignac number, because 45318893 - 2⁴ = 45318877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45318893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45318883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17468 + ... + 19893.

It is an arithmetic number, because the mean of its divisors is an integer number (11339367).

Almost surely, 2^45318893 is an apocalyptic number.

It is an amenable number.

45318893 is a deficient number, since it is larger than the sum of its proper divisors (38575).

45318893 is a wasteful number, since it uses less digits than its factorization.

45318893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38574.

The product of its digits is 103680, while the sum is 41.

The square root of 45318893 is about 6731.9308522890. The cubic root of 45318893 is about 356.5275523307.

The spelling of 45318893 in words is "forty-five million, three hundred eighteen thousand, eight hundred ninety-three".