142022133 has 16 divisors (see below), whose sum is σ = 229531200. Its totient is φ = 86073840.

The previous prime is 142022123. The next prime is 142022141. The reversal of 142022133 is 331220241.

It is not a de Polignac number, because 142022133 - 2⁴ = 142022117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142022113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238798 + ... + 239391.

It is an arithmetic number, because the mean of its divisors is an integer number (14345700).

Almost surely, 2^142022133 is an apocalyptic number.

It is an amenable number.

142022133 is a deficient number, since it is larger than the sum of its proper divisors (87509067).

142022133 is a wasteful number, since it uses less digits than its factorization.

142022133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478209 (or 478203 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142022133 is about 11917.3039316785. The cubic root of 142022133 is about 521.7374488886.

Adding to 142022133 its reverse (331220241), we get a palindrome (473242374).

The spelling of 142022133 in words is "one hundred forty-two million, twenty-two thousand, one hundred thirty-three".