315077145 has 8 divisors (see below), whose sum is σ = 504123456. Its totient is φ = 168041136.

The previous prime is 315077137. The next prime is 315077153. The reversal of 315077145 is 541770513.

It is an interprime number because it is at equal distance from previous prime (315077137) and next prime (315077153).

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

It is not a de Polignac number, because 315077145 - 2³ = 315077137 is a prime.

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, 10502557 + ... + 10502586.

It is an arithmetic number, because the mean of its divisors is an integer number (63015432).

Almost surely, 2^315077145 is an apocalyptic number.

It is an amenable number.

315077145 is a deficient number, since it is larger than the sum of its proper divisors (189046311).

315077145 is a wasteful number, since it uses less digits than its factorization.

315077145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21005151.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 315077145 is about 17750.4125304174. The cubic root of 315077145 is about 680.4647522135.

The spelling of 315077145 in words is "three hundred fifteen million, seventy-seven thousand, one hundred forty-five".