315001442 has 16 divisors (see below), whose sum is σ = 553174272. Its totient is φ = 131707680.

The previous prime is 315001433. The next prime is 315001487. The reversal of 315001442 is 244100513.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273818 + ... + 274965.

It is an arithmetic number, because the mean of its divisors is an integer number (34573392).

Almost surely, 2^315001442 is an apocalyptic number.

315001442 is a deficient number, since it is larger than the sum of its proper divisors (238172830).

315001442 is a wasteful number, since it uses less digits than its factorization.

315001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548833.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 315001442 is about 17748.2799730002. The cubic root of 315001442 is about 680.4102498478.

Adding to 315001442 its reverse (244100513), we get a palindrome (559101955).

The spelling of 315001442 in words is "three hundred fifteen million, one thousand, four hundred forty-two".