142231204 has 6 divisors (see below), whose sum is σ = 248904614. Its totient is φ = 71115600.

The previous prime is 142231181. The next prime is 142231249. The reversal of 142231204 is 402132241.

142231204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 132940900 + 9290304 = 11530^2 + 3048^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17778897 + ... + 17778904.

Almost surely, 2^142231204 is an apocalyptic number.

It is an amenable number.

142231204 is a deficient number, since it is larger than the sum of its proper divisors (106673410).

142231204 is a wasteful number, since it uses less digits than its factorization.

142231204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35557805 (or 35557803 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142231204 is about 11926.0724465349. The cubic root of 142231204 is about 521.9933401968.

Adding to 142231204 its reverse (402132241), we get a palindrome (544363445).

The spelling of 142231204 in words is "one hundred forty-two million, two hundred thirty-one thousand, two hundred four".