2142332144 has 20 divisors (see below), whose sum is σ = 4173962760. Its totient is φ = 1065180480.

The previous prime is 2142332131. The next prime is 2142332147. The reversal of 2142332144 is 4412332412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142332147) 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, 371147 + ... + 376874.

It is an arithmetic number, because the mean of its divisors is an integer number (208698138).

Almost surely, 2^2142332144 is an apocalyptic number.

It is an amenable number.

2142332144 is a deficient number, since it is larger than the sum of its proper divisors (2031630616).

2142332144 is a wasteful number, since it uses less digits than its factorization.

2142332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748208 (or 748202 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 2142332144 is about 46285.3340054925. The cubic root of 2142332144 is about 1289.1266937398.

Adding to 2142332144 its reverse (4412332412), we get a palindrome (6554664556).

The spelling of 2142332144 in words is "two billion, one hundred forty-two million, three hundred thirty-two thousand, one hundred forty-four".