315152143489 has 2 divisors, whose sum is σ = 315152143490. Its totient is φ = 315152143488.

The previous prime is 315152143457. The next prime is 315152143513. The reversal of 315152143489 is 984341251513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173083457089 + 142068686400 = 416033^2 + 376920^2 .

It is an emirp because it is prime and its reverse (984341251513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315152143489 - 2⁵ = 315152143457 is a prime.

It is a super-2 number, since 2×315152143489² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315152173489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157576071744 + 157576071745.

It is an arithmetic number, because the mean of its divisors is an integer number (157576071745).

Almost surely, 2^315152143489 is an apocalyptic number.

It is an amenable number.

315152143489 is a deficient number, since it is larger than the sum of its proper divisors (1).

315152143489 is an equidigital number, since it uses as much as digits as its factorization.

315152143489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 46.

The spelling of 315152143489 in words is "three hundred fifteen billion, one hundred fifty-two million, one hundred forty-three thousand, four hundred eighty-nine".