2545431214745 has 24 divisors (see below), whose sum is σ = 3085924044672. Its totient is φ = 2015618124000.

The previous prime is 2545431214741. The next prime is 2545431214747. The reversal of 2545431214745 is 5474121345452.

2545431214745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2545431214745 - 2² = 2545431214741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545431214745.

It is not an unprimeable number, because it can be changed into a prime (2545431214741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124698590 + ... + 124719000.

It is an arithmetic number, because the mean of its divisors is an integer number (128580168528).

Almost surely, 2^{2545431214745} is an apocalyptic number.

It is an amenable number.

2545431214745 is a deficient number, since it is larger than the sum of its proper divisors (540492829927).

2545431214745 is a wasteful number, since it uses less digits than its factorization.

2545431214745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22973 (or 22870 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 47.

The spelling of 2545431214745 in words is "two trillion, five hundred forty-five billion, four hundred thirty-one million, two hundred fourteen thousand, seven hundred forty-five".