142042121431152 has 80 divisors (see below), whose sum is σ = 376932745867392. Its totient is φ = 46058761693440.

The previous prime is 142042121431151. The next prime is 142042121431181. The reversal of 142042121431152 is 251134121240241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142042121431151) by changing a digit.

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, 1371627 + ... + 16910517.

Almost surely, 2^{142042121431152} is an apocalyptic number.

142042121431152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142042121431152 is an abundant number, since it is smaller than the sum of its proper divisors (234890624436240).

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

142042121431152 is a wasteful number, since it uses less digits than its factorization.

142042121431152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15544086 (or 15544080 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 142042121431152 its reverse (251134121240241), we get a palindrome (393176242671393).

The spelling of 142042121431152 in words is "one hundred forty-two trillion, forty-two billion, one hundred twenty-one million, four hundred thirty-one thousand, one hundred fifty-two".