142134222 has 8 divisors (see below), whose sum is σ = 284268456. Its totient is φ = 47378072.

The previous prime is 142134217. The next prime is 142134247. The reversal of 142134222 is 222431241.

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

142134222 is an admirable number.

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, 11844513 + ... + 11844524.

It is an arithmetic number, because the mean of its divisors is an integer number (35533557).

Almost surely, 2^142134222 is an apocalyptic number.

142134222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142134222 is a wasteful number, since it uses less digits than its factorization.

142134222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23689042.

The product of its digits is 768, while the sum is 21.

The square root of 142134222 is about 11922.0057876181. The cubic root of 142134222 is about 521.8746708115.

Adding to 142134222 its reverse (222431241), we get a palindrome (364565463).

The spelling of 142134222 in words is "one hundred forty-two million, one hundred thirty-four thousand, two hundred twenty-two".