2142332142 has 16 divisors (see below), whose sum is σ = 4285516800. Its totient is φ = 713968632.

The previous prime is 2142332131. The next prime is 2142332147. The reversal of 2142332142 is 2412332412.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 142 + ... + 65457.

It is an arithmetic number, because the mean of its divisors is an integer number (267844800).

Almost surely, 2^2142332142 is an apocalyptic number.

2142332142 is an abundant number, since it is smaller than the sum of its proper divisors (2143184658).

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

2142332142 is a wasteful number, since it uses less digits than its factorization.

2142332142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71047.

The product of its digits is 2304, while the sum is 24.

The square root of 2142332142 is about 46285.3339838874. Note that the first 3 decimals coincide. The cubic root of 2142332142 is about 1289.1266933386.

Adding to 2142332142 its reverse (2412332412), we get a palindrome (4554664554).

The spelling of 2142332142 in words is "two billion, one hundred forty-two million, three hundred thirty-two thousand, one hundred forty-two".