142204322 has 16 divisors (see below), whose sum is σ = 241805760. Its totient is φ = 62178192.

The previous prime is 142204319. The next prime is 142204333. The reversal of 142204322 is 223402241.

It is a junction number, because it is equal to n+sod(n) for n = 142204294 and 142204303.

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, 143438 + ... + 144425.

It is an arithmetic number, because the mean of its divisors is an integer number (15112860).

Almost surely, 2^142204322 is an apocalyptic number.

142204322 is a deficient number, since it is larger than the sum of its proper divisors (99601438).

142204322 is a wasteful number, since it uses less digits than its factorization.

142204322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287897.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142204322 is about 11924.9453667512. The cubic root of 142204322 is about 521.9604521743.

Adding to 142204322 its reverse (223402241), we get a palindrome (365606563).

The spelling of 142204322 in words is "one hundred forty-two million, two hundred four thousand, three hundred twenty-two".