142842342 has 32 divisors (see below), whose sum is σ = 311097600. Its totient is φ = 43551648.

The previous prime is 142842331. The next prime is 142842373. The reversal of 142842342 is 243248241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18298 + ... + 24909.

It is an arithmetic number, because the mean of its divisors is an integer number (9721800).

Almost surely, 2^142842342 is an apocalyptic number.

142842342 is an abundant number, since it is smaller than the sum of its proper divisors (168255258).

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

142842342 is a wasteful number, since it uses less digits than its factorization.

142842342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43260.

The product of its digits is 12288, while the sum is 30.

The square root of 142842342 is about 11951.6669130293. Note that the first 3 decimals coincide. The cubic root of 142842342 is about 522.7399043308.

The spelling of 142842342 in words is "one hundred forty-two million, eight hundred forty-two thousand, three hundred forty-two".