142622 has 8 divisors (see below), whose sum is σ = 221400. Its totient is φ = 68824.

The previous prime is 142619. The next prime is 142657. The reversal of 142622 is 226241.

142622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142622.

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 142622.

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, 1172 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (27675).

2¹⁴²⁶²² is an apocalyptic number.

142622 is a deficient number, since it is larger than the sum of its proper divisors (78778).

142622 is a wasteful number, since it uses less digits than its factorization.

142622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490.

The product of its digits is 192, while the sum is 17.

The square root of 142622 is about 377.6532801393. The cubic root of 142622 is about 52.2470981196.

Adding to 142622 its reverse (226241), we get a palindrome (368863).

The spelling of 142622 in words is "one hundred forty-two thousand, six hundred twenty-two".