315152145457 has 2 divisors, whose sum is σ = 315152145458. Its totient is φ = 315152145456.

The previous prime is 315152145403. The next prime is 315152145463. The reversal of 315152145457 is 754541251513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161114734881 + 154037410576 = 401391^2 + 392476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315152145457 is a prime.

It is not a weakly prime, because it can be changed into another prime (315152145257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157576072728 + 157576072729.

It is an arithmetic number, because the mean of its divisors is an integer number (157576072729).

Almost surely, 2^315152145457 is an apocalyptic number.

It is an amenable number.

315152145457 is a deficient number, since it is larger than the sum of its proper divisors (1).

315152145457 is an equidigital number, since it uses as much as digits as its factorization.

315152145457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 43.

The spelling of 315152145457 in words is "three hundred fifteen billion, one hundred fifty-two million, one hundred forty-five thousand, four hundred fifty-seven".