142222132 has 24 divisors (see below), whose sum is σ = 268462376. Its totient is φ = 65536128.

The previous prime is 142222121. The next prime is 142222147. The reversal of 142222132 is 231222241.

142222132 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2178576 + 140043556 = 1476^2 + 11834^2 .

142222132 is strictly pandigital in base 9.

It is a congruent number.

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, 37558 + ... + 41170.

Almost surely, 2^142222132 is an apocalyptic number.

It is an amenable number.

142222132 is a deficient number, since it is larger than the sum of its proper divisors (126240244).

142222132 is a wasteful number, since it uses less digits than its factorization.

142222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387 (or 4385 counting only the distinct ones).

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

The square root of 142222132 is about 11925.6920973166. The cubic root of 142222132 is about 521.9822417783.

Adding to 142222132 its reverse (231222241), we get a palindrome (373444373).

The spelling of 142222132 in words is "one hundred forty-two million, two hundred twenty-two thousand, one hundred thirty-two".