315438459 has 32 divisors (see below), whose sum is σ = 486575616. Its totient is φ = 178053120.

The previous prime is 315438433. The next prime is 315438463. The reversal of 315438459 is 954834513.

It is not a de Polignac number, because 315438459 - 2¹⁶ = 315372923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315438459.

It is not an unprimeable number, because it can be changed into a prime (315438469) 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 in 31 ways as a sum of consecutive naturals, for example, 1138629 + ... + 1138905.

It is an arithmetic number, because the mean of its divisors is an integer number (15205488).

Almost surely, 2^315438459 is an apocalyptic number.

315438459 is a deficient number, since it is larger than the sum of its proper divisors (171137157).

315438459 is a wasteful number, since it uses less digits than its factorization.

315438459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 259200, while the sum is 42.

The square root of 315438459 is about 17760.5872369131. The cubic root of 315438459 is about 680.7247599871.

The spelling of 315438459 in words is "three hundred fifteen million, four hundred thirty-eight thousand, four hundred fifty-nine".