315545 has 8 divisors (see below), whose sum is σ = 381696. Its totient is φ = 250416.

The previous prime is 315529. The next prime is 315547. The reversal of 315545 is 545513.

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 315545 - 2⁴ = 315529 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 315545.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315545.

It is not an unprimeable number, because it can be changed into a prime (315547) 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, 974 + ... + 1256.

It is an arithmetic number, because the mean of its divisors is an integer number (47712).

2³¹⁵⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

315545 is a deficient number, since it is larger than the sum of its proper divisors (66151).

315545 is a wasteful number, since it uses less digits than its factorization.

315545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its digits is 1500, while the sum is 23.

The square root of 315545 is about 561.7339227784. The cubic root of 315545 is about 68.0801390817.

The spelling of 315545 in words is "three hundred fifteen thousand, five hundred forty-five".