315603142 has 8 divisors (see below), whose sum is σ = 481165632. Its totient is φ = 155214600.

The previous prime is 315603139. The next prime is 315603149. The reversal of 315603142 is 241306513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315603149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293334 + ... + 1293577.

It is an arithmetic number, because the mean of its divisors is an integer number (60145704).

Almost surely, 2^315603142 is an apocalyptic number.

315603142 is a deficient number, since it is larger than the sum of its proper divisors (165562490).

315603142 is a wasteful number, since it uses less digits than its factorization.

315603142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586974.

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

The square root of 315603142 is about 17765.2228243836. Note that the first 3 decimals coincide. The cubic root of 315603142 is about 680.8432028394.

Adding to 315603142 its reverse (241306513), we get a palindrome (556909655).

The spelling of 315603142 in words is "three hundred fifteen million, six hundred three thousand, one hundred forty-two".