2145651762524 has 24 divisors (see below), whose sum is σ = 3811037854848. Its totient is φ = 1056784679280.

The previous prime is 2145651762521. The next prime is 2145651762533. The reversal of 2145651762524 is 4252671565412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145651762521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12368087 + ... + 12540369.

It is an arithmetic number, because the mean of its divisors is an integer number (158793243952).

Almost surely, 2^{2145651762524} is an apocalyptic number.

It is an amenable number.

2145651762524 is a deficient number, since it is larger than the sum of its proper divisors (1665386092324).

2145651762524 is a wasteful number, since it uses less digits than its factorization.

2145651762524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218825 (or 218823 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 50.

The spelling of 2145651762524 in words is "two trillion, one hundred forty-five billion, six hundred fifty-one million, seven hundred sixty-two thousand, five hundred twenty-four".