142142204 has 12 divisors (see below), whose sum is σ = 248903928. Its totient is φ = 71026800.

The previous prime is 142142183. The next prime is 142142227. The reversal of 142142204 is 402241241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3242 + ... + 17169.

It is an arithmetic number, because the mean of its divisors is an integer number (20741994).

Almost surely, 2^142142204 is an apocalyptic number.

It is an amenable number.

142142204 is a deficient number, since it is larger than the sum of its proper divisors (106761724).

142142204 is a wasteful number, since it uses less digits than its factorization.

142142204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22156 (or 22154 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 142142204 is about 11922.3405420245. The cubic root of 142142204 is about 521.8844398068.

Adding to 142142204 its reverse (402241241), we get a palindrome (544383445).

The spelling of 142142204 in words is "one hundred forty-two million, one hundred forty-two thousand, two hundred four".