45131317 has 8 divisors (see below), whose sum is σ = 56267712. Its totient is φ = 35167200.

The previous prime is 45131309. The next prime is 45131323. The reversal of 45131317 is 71313154.

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

It is a cyclic number.

It is not a de Polignac number, because 45131317 - 2³ = 45131309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45131291 and 45131300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45131017) 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, 292984 + ... + 293137.

It is an arithmetic number, because the mean of its divisors is an integer number (7033464).

Almost surely, 2^45131317 is an apocalyptic number.

It is an amenable number.

45131317 is a deficient number, since it is larger than the sum of its proper divisors (11136395).

45131317 is a wasteful number, since it uses less digits than its factorization.

45131317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586139.

The product of its digits is 1260, while the sum is 25.

The square root of 45131317 is about 6717.9845936114. The cubic root of 45131317 is about 356.0349800455.

The spelling of 45131317 in words is "forty-five million, one hundred thirty-one thousand, three hundred seventeen".