142331622 has 32 divisors (see below), whose sum is σ = 300278400. Its totient is φ = 44851968.

The previous prime is 142331617. The next prime is 142331627. The reversal of 142331622 is 226133241.

142331622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142331617) and next prime (142331627).

It is a junction number, because it is equal to n+sod(n) for n = 142331592 and 142331601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142331627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69558 + ... + 71574.

It is an arithmetic number, because the mean of its divisors is an integer number (9383700).

Almost surely, 2^142331622 is an apocalyptic number.

142331622 is an abundant number, since it is smaller than the sum of its proper divisors (157946778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142331622 is a wasteful number, since it uses less digits than its factorization.

142331622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660.

The product of its digits is 1728, while the sum is 24.

The square root of 142331622 is about 11930.2817234129. The cubic root of 142331622 is about 522.1161571190.

Adding to 142331622 its reverse (226133241), we get a palindrome (368464863).

The spelling of 142331622 in words is "one hundred forty-two million, three hundred thirty-one thousand, six hundred twenty-two".