315152143457 has 2 divisors, whose sum is σ = 315152143458. Its totient is φ = 315152143456.

The previous prime is 315152143399. The next prime is 315152143489. The reversal of 315152143457 is 754341251513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199823304256 + 115328839201 = 447016^2 + 339601^2 .

It is a cyclic number.

It is not a de Polignac number, because 315152143457 - 2¹⁸ = 315151881313 is a prime.

It is not a weakly prime, because it can be changed into another prime (315152145457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157576071728 + 157576071729.

It is an arithmetic number, because the mean of its divisors is an integer number (157576071729).

Almost surely, 2^315152143457 is an apocalyptic number.

It is an amenable number.

315152143457 is a deficient number, since it is larger than the sum of its proper divisors (1).

315152143457 is an equidigital number, since it uses as much as digits as its factorization.

315152143457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 41.

The spelling of 315152143457 in words is "three hundred fifteen billion, one hundred fifty-two million, one hundred forty-three thousand, four hundred fifty-seven".