142422234625554 has 128 divisors (see below), whose sum is σ = 317352591360000. Its totient is φ = 42332954047488.

The previous prime is 142422234625453. The next prime is 142422234625589. The reversal of 142422234625554 is 455526432224241.

It is a junction number, because it is equal to n+sod(n) for n = 142422234625497 and 142422234625506.

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 63 ways as a sum of consecutive naturals, for example, 894538047 + ... + 894697245.

It is an arithmetic number, because the mean of its divisors is an integer number (2479317120000).

Almost surely, 2^{142422234625554} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142422234625554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158676295680000).

142422234625554 is an abundant number, since it is smaller than the sum of its proper divisors (174930356734446).

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

142422234625554 is a wasteful number, since it uses less digits than its factorization.

142422234625554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162432.

The product of its digits is 18432000, while the sum is 51.

Adding to 142422234625554 its reverse (455526432224241), we get a palindrome (597948666849795).

The spelling of 142422234625554 in words is "one hundred forty-two trillion, four hundred twenty-two billion, two hundred thirty-four million, six hundred twenty-five thousand, five hundred fifty-four".