315142530 has 16 divisors (see below), whose sum is σ = 756342144. Its totient is φ = 84038000.

The previous prime is 315142483. The next prime is 315142543. The reversal of 315142530 is 35241513.

It is a self number, because there is not a number n which added to its sum of digits gives 315142530.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5252346 + ... + 5252405.

It is an arithmetic number, because the mean of its divisors is an integer number (47271384).

Almost surely, 2^315142530 is an apocalyptic number.

315142530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315142530 is an abundant number, since it is smaller than the sum of its proper divisors (441199614).

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

315142530 is a wasteful number, since it uses less digits than its factorization.

315142530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504761.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 315142530 is about 17752.2542230557. The cubic root of 315142530 is about 680.5118191104.

It can be divided in two parts, 315 and 142530, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 315142530 in words is "three hundred fifteen million, one hundred forty-two thousand, five hundred thirty".