315342450 has 96 divisors (see below), whose sum is σ = 877324800. Its totient is φ = 83280960.

The previous prime is 315342427. The next prime is 315342457. The reversal of 315342450 is 54243513.

315342450 is a `hidden beast` number, since 315 + 342 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (315342457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146079 + ... + 148221.

It is an arithmetic number, because the mean of its divisors is an integer number (9138800).

Almost surely, 2^315342450 is an apocalyptic number.

315342450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 315342450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438662400).

315342450 is an abundant number, since it is smaller than the sum of its proper divisors (561982350).

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

315342450 is a wasteful number, since it uses less digits than its factorization.

315342450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273 (or 2262 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 315342450 is about 17757.8841645056. The cubic root of 315342450 is about 680.6556896361.

Adding to 315342450 its reverse (54243513), we get a palindrome (369585963).

The spelling of 315342450 in words is "three hundred fifteen million, three hundred forty-two thousand, four hundred fifty".