142220045055 has 16 divisors (see below), whose sum is σ = 248238624384. Its totient is φ = 68955173280.

The previous prime is 142220045047. The next prime is 142220045057. The reversal of 142220045055 is 550540022241.

It is not a de Polignac number, because 142220045055 - 2³ = 142220045047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142220045057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430969669 + ... + 430969998.

It is an arithmetic number, because the mean of its divisors is an integer number (15514914024).

Almost surely, 2^142220045055 is an apocalyptic number.

142220045055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142220045055 is a deficient number, since it is larger than the sum of its proper divisors (106018579329).

142220045055 is a wasteful number, since it uses less digits than its factorization.

142220045055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861939686.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 142220045055 its reverse (550540022241), we get a palindrome (692760067296).

The spelling of 142220045055 in words is "one hundred forty-two billion, two hundred twenty million, forty-five thousand, fifty-five".