2145205142504 has 16 divisors (see below), whose sum is σ = 4233957518400. Its totient is φ = 1016149804272.

The previous prime is 2145205142503. The next prime is 2145205142513. The reversal of 2145205142504 is 4052415025412.

It is not an unprimeable number, because it can be changed into a prime (2145205142503) 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, 7056595712 + ... + 7056596015.

It is an arithmetic number, because the mean of its divisors is an integer number (264622344900).

Almost surely, 2^{2145205142504} is an apocalyptic number.

It is an amenable number.

2145205142504 is a deficient number, since it is larger than the sum of its proper divisors (2088752375896).

2145205142504 is a wasteful number, since it uses less digits than its factorization.

2145205142504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14113191752 (or 14113191748 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 2145205142504 in words is "two trillion, one hundred forty-five billion, two hundred five million, one hundred forty-two thousand, five hundred four".