142862122 has 40 divisors (see below), whose sum is σ = 241711092. Its totient is φ = 63273600.

The previous prime is 142862089. The next prime is 142862123. The reversal of 142862122 is 221268241.

It can be written as a sum of positive squares in 10 ways, for example, as 136913401 + 5948721 = 11701^2 + 2439^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142862123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2341972 + ... + 2342032.

Almost surely, 2^142862122 is an apocalyptic number.

142862122 is a deficient number, since it is larger than the sum of its proper divisors (98848970).

142862122 is an frugal number, since it uses more digits than its factorization.

142862122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 117 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 142862122 is about 11952.4943840188. The cubic root of 142862122 is about 522.7640319061.

The spelling of 142862122 in words is "one hundred forty-two million, eight hundred sixty-two thousand, one hundred twenty-two".