142144132 has 12 divisors (see below), whose sum is σ = 267887116. Its totient is φ = 65604960.

The previous prime is 142144129. The next prime is 142144141. The reversal of 142144132 is 231441241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68459076 + 73685056 = 8274^2 + 8584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366719 + ... + 1366822.

Almost surely, 2^142144132 is an apocalyptic number.

It is an amenable number.

142144132 is a deficient number, since it is larger than the sum of its proper divisors (125742984).

142144132 is a wasteful number, since it uses less digits than its factorization.

142144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733558 (or 2733556 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 142144132 is about 11922.4213983570. The cubic root of 142144132 is about 521.8867993890.

Adding to 142144132 its reverse (231441241), we get a palindrome (373585373).

The spelling of 142144132 in words is "one hundred forty-two million, one hundred forty-four thousand, one hundred thirty-two".