142204342 has 16 divisors (see below), whose sum is σ = 252185760. Its totient is φ = 58843008.

The previous prime is 142204339. The next prime is 142204369. The reversal of 142204342 is 243402241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174723 + ... + 175534.

It is an arithmetic number, because the mean of its divisors is an integer number (15761610).

Almost surely, 2^142204342 is an apocalyptic number.

142204342 is a deficient number, since it is larger than the sum of its proper divisors (109981418).

142204342 is a wasteful number, since it uses less digits than its factorization.

142204342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350295.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142204342 is about 11924.9462053294. The cubic root of 142204342 is about 521.9604766443.

Adding to 142204342 its reverse (243402241), we get a palindrome (385606583).

The spelling of 142204342 in words is "one hundred forty-two million, two hundred four thousand, three hundred forty-two".