142143554212452 has 72 divisors (see below), whose sum is σ = 388890796257600. Its totient is φ = 43516696893120.

The previous prime is 142143554212349. The next prime is 142143554212481. The reversal of 142143554212452 is 254212455341241.

It is a happy number.

142143554212452 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 4 + 3 + 554 + 21 + 24 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 142143554212398 and 142143554212407.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 763036374 + ... + 763222637.

Almost surely, 2^{142143554212452} is an apocalyptic number.

142143554212452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142143554212452 is an abundant number, since it is smaller than the sum of its proper divisors (246747242045148).

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

142143554212452 is a wasteful number, since it uses less digits than its factorization.

142143554212452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526259233 (or 1526259228 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 45.

The spelling of 142143554212452 in words is "one hundred forty-two trillion, one hundred forty-three billion, five hundred fifty-four million, two hundred twelve thousand, four hundred fifty-two".