2315205143045 has 16 divisors (see below), whose sum is σ = 2878449179760. Its totient is φ = 1785557727744.

The previous prime is 2315205143039. The next prime is 2315205143047. The reversal of 2315205143045 is 5403415025132.

It can be written as a sum of positive squares in 8 ways, for example, as 9129038116 + 2306076104929 = 95546^2 + 1518577^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315205143045 - 2¹² = 2315205138949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2315205142996 and 2315205143014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315205143047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12131144 + ... + 12320513.

It is an arithmetic number, because the mean of its divisors is an integer number (179903073735).

Almost surely, 2^{2315205143045} is an apocalyptic number.

It is an amenable number.

2315205143045 is a deficient number, since it is larger than the sum of its proper divisors (563244036715).

2315205143045 is a wasteful number, since it uses less digits than its factorization.

2315205143045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24452344.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 2315205143045 in words is "two trillion, three hundred fifteen billion, two hundred five million, one hundred forty-three thousand, forty-five".