142894342 has 16 divisors (see below), whose sum is σ = 218771280. Its totient is φ = 69979552.

The previous prime is 142894337. The next prime is 142894351. The reversal of 142894342 is 243498241.

142894342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142894342² = 40837585951225928, which contains 22 as substring.

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, 32508 + ... + 36640.

It is an arithmetic number, because the mean of its divisors is an integer number (13673205).

Almost surely, 2^142894342 is an apocalyptic number.

142894342 is a deficient number, since it is larger than the sum of its proper divisors (75876938).

142894342 is a wasteful number, since it uses less digits than its factorization.

142894342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487.

The product of its digits is 55296, while the sum is 37.

The square root of 142894342 is about 11953.8421438465. The cubic root of 142894342 is about 522.8033289822.

The spelling of 142894342 in words is "one hundred forty-two million, eight hundred ninety-four thousand, three hundred forty-two".