142421433222552 has 64 divisors (see below), whose sum is σ = 392193178940160. Its totient is φ = 42739000252800.

The previous prime is 142421433222503. The next prime is 142421433222577. The reversal of 142421433222552 is 255222334124241.

It is a super-2 number, since 2×142421433222552² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2618784099 + ... + 2618838482.

It is an arithmetic number, because the mean of its divisors is an integer number (6128018420940).

Almost surely, 2^{142421433222552} is an apocalyptic number.

142421433222552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142421433222552 is an abundant number, since it is smaller than the sum of its proper divisors (249771745717608).

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

142421433222552 is a wasteful number, since it uses less digits than its factorization.

142421433222552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237622704 (or 5237622700 counting only the distinct ones).

The product of its digits is 921600, while the sum is 42.

Adding to 142421433222552 its reverse (255222334124241), we get a palindrome (397643767346793).

The spelling of 142421433222552 in words is "one hundred forty-two trillion, four hundred twenty-one billion, four hundred thirty-three million, two hundred twenty-two thousand, five hundred fifty-two".