142042445552020 has 24 divisors (see below), whose sum is σ = 321234453787464. Its totient is φ = 52446441434496.

The previous prime is 142042445552017. The next prime is 142042445552047. The reversal of 142042445552020 is 20255544240241.

It can be written as a sum of positive squares in 4 ways, for example, as 72789881616 + 141969655670404 = 269796^2 + 11915102^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273158548879 + ... + 273158549398.

It is an arithmetic number, because the mean of its divisors is an integer number (13384768907811).

Almost surely, 2^{142042445552020} is an apocalyptic number.

142042445552020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142042445552020 is an abundant number, since it is smaller than the sum of its proper divisors (179192008235444).

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

142042445552020 is a wasteful number, since it uses less digits than its factorization.

142042445552020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546317098299 (or 546317098297 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 142042445552020 its reverse (20255544240241), we get a palindrome (162297989792261).

The spelling of 142042445552020 in words is "one hundred forty-two trillion, forty-two billion, four hundred forty-five million, five hundred fifty-two thousand, twenty".