315143620 has 48 divisors (see below), whose sum is σ = 764443008. Its totient is φ = 107855360.

The previous prime is 315143611. The next prime is 315143623. The reversal of 315143620 is 26341513.

It is not an unprimeable number, because it can be changed into a prime (315143623) 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 15 ways as a sum of consecutive naturals, for example, 38392 + ... + 45871.

It is an arithmetic number, because the mean of its divisors is an integer number (15925896).

Almost surely, 2^315143620 is an apocalyptic number.

It is an amenable number.

315143620 is an abundant number, since it is smaller than the sum of its proper divisors (449299388).

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

315143620 is a wasteful number, since it uses less digits than its factorization.

315143620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84300 (or 84298 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 315143620 is about 17752.2849233556. The cubic root of 315143620 is about 680.5126036835.

The spelling of 315143620 in words is "three hundred fifteen million, one hundred forty-three thousand, six hundred twenty".