142538142 has 16 divisors (see below), whose sum is σ = 285996672. Its totient is φ = 47359320.

The previous prime is 142538129. The next prime is 142538167. The reversal of 142538142 is 241835241.

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, 36328 + ... + 40059.

It is an arithmetic number, because the mean of its divisors is an integer number (17874792).

Almost surely, 2^142538142 is an apocalyptic number.

142538142 is an abundant number, since it is smaller than the sum of its proper divisors (143458530).

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

142538142 is a wasteful number, since it uses less digits than its factorization.

142538142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76703.

The product of its digits is 7680, while the sum is 30.

The square root of 142538142 is about 11938.9338720005. The cubic root of 142538142 is about 522.3685613693.

The spelling of 142538142 in words is "one hundred forty-two million, five hundred thirty-eight thousand, one hundred forty-two".