2163245142 has 16 divisors (see below), whose sum is σ = 4334800752. Its totient is φ = 719696640.

The previous prime is 2163245129. The next prime is 2163245153. The reversal of 2163245142 is 2415423612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342883 + ... + 349134.

It is an arithmetic number, because the mean of its divisors is an integer number (270925047).

Almost surely, 2^2163245142 is an apocalyptic number.

2163245142 is an abundant number, since it is smaller than the sum of its proper divisors (2171555610).

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

2163245142 is a wasteful number, since it uses less digits than its factorization.

2163245142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692543.

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

The square root of 2163245142 is about 46510.6992207169. The cubic root of 2163245142 is about 1293.3078462550.

Adding to 2163245142 its reverse (2415423612), we get a palindrome (4578668754).

The spelling of 2163245142 in words is "two billion, one hundred sixty-three million, two hundred forty-five thousand, one hundred forty-two".