315442152 has 96 divisors (see below), whose sum is σ = 881680800. Its totient is φ = 101824128.

The previous prime is 315442147. The next prime is 315442159. The reversal of 315442152 is 251244513.

It is a super-2 number, since 2×315442152² = 199007502516782208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315442159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429978 + ... + 430710.

It is an arithmetic number, because the mean of its divisors is an integer number (9184175).

Almost surely, 2^315442152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315442152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440840400).

315442152 is an abundant number, since it is smaller than the sum of its proper divisors (566238648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315442152 is a wasteful number, since it uses less digits than its factorization.

315442152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 920 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 315442152 is about 17760.6912027657. The cubic root of 315442152 is about 680.7274165082.

Adding to 315442152 its reverse (251244513), we get a palindrome (566686665).

The spelling of 315442152 in words is "three hundred fifteen million, four hundred forty-two thousand, one hundred fifty-two".