315450023152345 has 4 divisors (see below), whose sum is σ = 378540027782820. Its totient is φ = 252360018521872.

The previous prime is 315450023152343. The next prime is 315450023152403. The reversal of 315450023152345 is 543251320054513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141312941550144 + 174137081602201 = 11887512^2 + 13196101^2 .

It is a cyclic number.

It is not a de Polignac number, because 315450023152345 - 2¹ = 315450023152343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315450023152343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31545002315230 + ... + 31545002315239.

It is an arithmetic number, because the mean of its divisors is an integer number (94635006945705).

Almost surely, 2^{315450023152345} is an apocalyptic number.

It is an amenable number.

315450023152345 is a deficient number, since it is larger than the sum of its proper divisors (63090004630475).

315450023152345 is an equidigital number, since it uses as much as digits as its factorization.

315450023152345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63090004630474.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 315450023152345 in words is "three hundred fifteen trillion, four hundred fifty billion, twenty-three million, one hundred fifty-two thousand, three hundred forty-five".