315442159 has 2 divisors, whose sum is σ = 315442160. Its totient is φ = 315442158.

The previous prime is 315442147. The next prime is 315442177. The reversal of 315442159 is 951244513.

It is a weak prime.

It is an emirp because it is prime and its reverse (951244513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315442159 - 2²¹ = 313345007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315442129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157721079 + 157721080.

It is an arithmetic number, because the mean of its divisors is an integer number (157721080).

Almost surely, 2^315442159 is an apocalyptic number.

315442159 is a deficient number, since it is larger than the sum of its proper divisors (1).

315442159 is an equidigital number, since it uses as much as digits as its factorization.

315442159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 315442159 is about 17760.6913998301. The cubic root of 315442159 is about 680.7274215435.

The spelling of 315442159 in words is "three hundred fifteen million, four hundred forty-two thousand, one hundred fifty-nine".