315450047 has 8 divisors (see below), whose sum is σ = 344323920. Its totient is φ = 286608960.

The previous prime is 315450043. The next prime is 315450059. The reversal of 315450047 is 740054513.

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

It is not a de Polignac number, because 315450047 - 2² = 315450043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315450043) 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 7 ways as a sum of consecutive naturals, for example, 14729 + ... + 29117.

It is an arithmetic number, because the mean of its divisors is an integer number (43040490).

Almost surely, 2^315450047 is an apocalyptic number.

315450047 is a deficient number, since it is larger than the sum of its proper divisors (28873873).

315450047 is a wasteful number, since it uses less digits than its factorization.

315450047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16393.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 315450047 is about 17760.9134618690. The cubic root of 315450047 is about 680.7330956246.

The spelling of 315450047 in words is "three hundred fifteen million, four hundred fifty thousand, forty-seven".