142304122 has 8 divisors (see below), whose sum is σ = 216158400. Its totient is φ = 70251324.

The previous prime is 142304119. The next prime is 142304137. The reversal of 142304122 is 221403241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142304122.

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, 450172 + ... + 450487.

It is an arithmetic number, because the mean of its divisors is an integer number (27019800).

Almost surely, 2^142304122 is an apocalyptic number.

142304122 is a deficient number, since it is larger than the sum of its proper divisors (73854278).

142304122 is an equidigital number, since it uses as much as digits as its factorization.

142304122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900740.

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

The square root of 142304122 is about 11929.1291383738. The cubic root of 142304122 is about 522.0825288010.

Adding to 142304122 its reverse (221403241), we get a palindrome (363707363).

The spelling of 142304122 in words is "one hundred forty-two million, three hundred four thousand, one hundred twenty-two".