2142645312 has 28 divisors (see below), whose sum is σ = 5669082896. Its totient is φ = 714215040.

The previous prime is 2142645311. The next prime is 2142645331. The reversal of 2142645312 is 2135462412.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2142645312.

It is not an unprimeable number, because it can be changed into a prime (2142645311) 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, 5579614 + ... + 5579997.

Almost surely, 2^2142645312 is an apocalyptic number.

It is an amenable number.

2142645312 is an abundant number, since it is smaller than the sum of its proper divisors (3526437584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142645312 is a wasteful number, since it uses less digits than its factorization.

2142645312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159626 (or 11159616 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2142645312 is about 46288.7168973174. The cubic root of 2142645312 is about 1289.1895059045.

The spelling of 2142645312 in words is "two billion, one hundred forty-two million, six hundred forty-five thousand, three hundred twelve".