142123132 has 12 divisors (see below), whose sum is σ = 249238080. Its totient is φ = 70912256.

The previous prime is 142123109. The next prime is 142123199. The reversal of 142123132 is 231321241.

It is a happy number.

142123132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 35173 + ... + 39004.

It is an arithmetic number, because the mean of its divisors is an integer number (20769840).

Almost surely, 2^142123132 is an apocalyptic number.

It is an amenable number.

142123132 is a deficient number, since it is larger than the sum of its proper divisors (107114948).

142123132 is a wasteful number, since it uses less digits than its factorization.

142123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74660 (or 74658 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 142123132 is about 11921.5406722453. The cubic root of 142123132 is about 521.8610973958.

Adding to 142123132 its reverse (231321241), we get a palindrome (373444373).

The spelling of 142123132 in words is "one hundred forty-two million, one hundred twenty-three thousand, one hundred thirty-two".