142299322 has 16 divisors (see below), whose sum is σ = 245109600. Its totient is φ = 61277040.

The previous prime is 142299319. The next prime is 142299337. The reversal of 142299322 is 223992241.

142299322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 169797 + ... + 170632.

It is an arithmetic number, because the mean of its divisors is an integer number (15319350).

Almost surely, 2^142299322 is an apocalyptic number.

142299322 is a deficient number, since it is larger than the sum of its proper divisors (102810278).

142299322 is a wasteful number, since it uses less digits than its factorization.

142299322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340461.

The product of its digits is 15552, while the sum is 34.

The square root of 142299322 is about 11928.9279484789. The cubic root of 142299322 is about 522.0766586868.

The spelling of 142299322 in words is "one hundred forty-two million, two hundred ninety-nine thousand, three hundred twenty-two".