315142450 has 48 divisors (see below), whose sum is σ = 674510400. Its totient is φ = 107305920.

The previous prime is 315142433. The next prime is 315142453. The reversal of 315142450 is 54241513.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (315142453) 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, 49129 + ... + 55171.

It is an arithmetic number, because the mean of its divisors is an integer number (14052300).

Almost surely, 2^315142450 is an apocalyptic number.

315142450 is an abundant number, since it is smaller than the sum of its proper divisors (359367950).

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

315142450 is a wasteful number, since it uses less digits than its factorization.

315142450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211 (or 6206 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 315142450 is about 17752.2519698206. The cubic root of 315142450 is about 680.5117615270.

Adding to 315142450 its reverse (54241513), we get a palindrome (369383963).

The spelling of 315142450 in words is "three hundred fifteen million, one hundred forty-two thousand, four hundred fifty".