142224023442 has 32 divisors (see below), whose sum is σ = 317031883200. Its totient is φ = 42270916608.

The previous prime is 142224023429. The next prime is 142224023479. The reversal of 142224023442 is 244320422241.

It is a happy number.

142224023442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36691567 + ... + 36695442.

It is an arithmetic number, because the mean of its divisors is an integer number (9907246350).

Almost surely, 2^142224023442 is an apocalyptic number.

142224023442 is an abundant number, since it is smaller than the sum of its proper divisors (174807859758).

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

142224023442 is a wasteful number, since it uses less digits than its factorization.

142224023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73387050.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 142224023442 its reverse (244320422241), we get a palindrome (386544445683).

The spelling of 142224023442 in words is "one hundred forty-two billion, two hundred twenty-four million, twenty-three thousand, four hundred forty-two".