142022 has 4 divisors (see below), whose sum is σ = 213036. Its totient is φ = 71010.

The previous prime is 142019. The next prime is 142031. The reversal of 142022 is 220241.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 141994 and 142012.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35504 + ... + 35507.

It is an arithmetic number, because the mean of its divisors is an integer number (53259).

2¹⁴²⁰²² is an apocalyptic number.

142022 is a deficient number, since it is larger than the sum of its proper divisors (71014).

142022 is an equidigital number, since it uses as much as digits as its factorization.

142022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71013.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 142022 is about 376.8580634669. The cubic root of 142022 is about 52.1737286024.

Adding to 142022 its reverse (220241), we get a palindrome (362263).

The spelling of 142022 in words is "one hundred forty-two thousand, twenty-two", and thus it is an iban number.