142313622 has 32 divisors (see below), whose sum is σ = 320523264. Its totient is φ = 41733600.

The previous prime is 142313609. The next prime is 142313641. The reversal of 142313622 is 226313241.

It is a junction number, because it is equal to n+sod(n) for n = 142313592 and 142313601.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32733 + ... + 36824.

It is an arithmetic number, because the mean of its divisors is an integer number (10016352).

Almost surely, 2^142313622 is an apocalyptic number.

142313622 is an abundant number, since it is smaller than the sum of its proper divisors (178209642).

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

142313622 is a wasteful number, since it uses less digits than its factorization.

142313622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69604.

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

The square root of 142313622 is about 11929.5273167045. The cubic root of 142313622 is about 522.0941463460.

Adding to 142313622 its reverse (226313241), we get a palindrome (368626863).

The spelling of 142313622 in words is "one hundred forty-two million, three hundred thirteen thousand, six hundred twenty-two".