45315817 has 8 divisors (see below), whose sum is σ = 48024000. Its totient is φ = 42639984.

The previous prime is 45315811. The next prime is 45315833. The reversal of 45315817 is 71851354.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45315817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45315811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5173 + ... + 10834.

It is an arithmetic number, because the mean of its divisors is an integer number (6003000).

Almost surely, 2^45315817 is an apocalyptic number.

It is an amenable number.

45315817 is a deficient number, since it is larger than the sum of its proper divisors (2708183).

45315817 is a wasteful number, since it uses less digits than its factorization.

45315817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16175.

The product of its digits is 16800, while the sum is 34.

The square root of 45315817 is about 6731.7023849841. The cubic root of 45315817 is about 356.5194857644.

The spelling of 45315817 in words is "forty-five million, three hundred fifteen thousand, eight hundred seventeen".