315187848 has 80 divisors (see below), whose sum is σ = 885487680. Its totient is φ = 104745312.

The previous prime is 315187843. The next prime is 315187907. The reversal of 315187848 is 848781513.

It is a happy number.

It is a super-2 number, since 2×315187848² = 198686759053742208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315187841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 325461 + ... + 326427.

It is an arithmetic number, because the mean of its divisors is an integer number (11068596).

Almost surely, 2^315187848 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 315187848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442743840).

315187848 is an abundant number, since it is smaller than the sum of its proper divisors (570299832).

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

315187848 is a wasteful number, since it uses less digits than its factorization.

315187848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1475 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 315187848 is about 17753.5305784511. The cubic root of 315187848 is about 680.5444371097.

The spelling of 315187848 in words is "three hundred fifteen million, one hundred eighty-seven thousand, eight hundred forty-eight".