142321163520105 has 24 divisors (see below), whose sum is σ = 248068173300480. Its totient is φ = 75480572380320.

The previous prime is 142321163520079. The next prime is 142321163520121. The reversal of 142321163520105 is 501025361123241.

142321163520105 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 2 + 1 + 1 + 635 + 2 + 0 + 10 + 5 = 666.

It is not a de Polignac number, because 142321163520105 - 2¹⁰ = 142321163519081 is a prime.

It is a super-2 number, since 2×142321163520105² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142321163520105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8834328601 + ... + 8834344710.

It is an arithmetic number, because the mean of its divisors is an integer number (10336173887520).

Almost surely, 2^{142321163520105} is an apocalyptic number.

142321163520105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142321163520105 is a deficient number, since it is larger than the sum of its proper divisors (105747009780375).

142321163520105 is a wasteful number, since it uses less digits than its factorization.

142321163520105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17668673501 (or 17668673498 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 142321163520105 in words is "one hundred forty-two trillion, three hundred twenty-one billion, one hundred sixty-three million, five hundred twenty thousand, one hundred five".