142422105655055 has 4 divisors (see below), whose sum is σ = 170906526786072. Its totient is φ = 113937684524040.

The previous prime is 142422105655051. The next prime is 142422105655091. The reversal of 142422105655055 is 550556501224241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142422105655055 - 2² = 142422105655051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142422105655051) 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 3 ways as a sum of consecutive naturals, for example, 14242210565501 + ... + 14242210565510.

It is an arithmetic number, because the mean of its divisors is an integer number (42726631696518).

Almost surely, 2^{142422105655055} is an apocalyptic number.

142422105655055 is a deficient number, since it is larger than the sum of its proper divisors (28484421131017).

142422105655055 is an equidigital number, since it uses as much as digits as its factorization.

142422105655055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28484421131016.

The product of its (nonzero) digits is 2400000, while the sum is 47.

Adding to 142422105655055 its reverse (550556501224241), we get a palindrome (692978606879296).

The spelling of 142422105655055 in words is "one hundred forty-two trillion, four hundred twenty-two billion, one hundred five million, six hundred fifty-five thousand, fifty-five".