315142235 has 8 divisors (see below), whose sum is σ = 378290736. Its totient is φ = 252033760.

The previous prime is 315142231. The next prime is 315142237. The reversal of 315142235 is 532241513.

It is a happy number.

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

It is not a de Polignac number, because 315142235 - 2² = 315142231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315142231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11540 + ... + 27630.

It is an arithmetic number, because the mean of its divisors is an integer number (47286342).

Almost surely, 2^315142235 is an apocalyptic number.

315142235 is a deficient number, since it is larger than the sum of its proper divisors (63148501).

315142235 is a wasteful number, since it uses less digits than its factorization.

315142235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20013.

The product of its digits is 3600, while the sum is 26.

The square root of 315142235 is about 17752.2459142498. The cubic root of 315142235 is about 680.5116067715.

Adding to 315142235 its reverse (532241513), we get a palindrome (847383748).

The spelling of 315142235 in words is "three hundred fifteen million, one hundred forty-two thousand, two hundred thirty-five".