142043142 has 16 divisors (see below), whose sum is σ = 286742592. Its totient is φ = 46905000.

The previous prime is 142043137. The next prime is 142043173. The reversal of 142043142 is 241340241.

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, 109984 + ... + 111267.

It is an arithmetic number, because the mean of its divisors is an integer number (17921412).

Almost surely, 2^142043142 is an apocalyptic number.

142043142 is an abundant number, since it is smaller than the sum of its proper divisors (144699450).

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

142043142 is a wasteful number, since it uses less digits than its factorization.

142043142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221363.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142043142 is about 11918.1853484497. The cubic root of 142043142 is about 521.7631740846.

Adding to 142043142 its reverse (241340241), we get a palindrome (383383383).

The spelling of 142043142 in words is "one hundred forty-two million, forty-three thousand, one hundred forty-two".