299168142242 has 18 divisors (see below), whose sum is σ = 461252573523. Its totient is φ = 145527334992.

The previous prime is 299168142241. The next prime is 299168142253. The reversal of 299168142242 is 242241861992.

It can be written as a sum of positive squares in 5 ways, for example, as 269910381841 + 29257760401 = 519529^2 + 171049^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=386761.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (299168142241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28615088 + ... + 28625540.

Almost surely, 2^299168142242 is an apocalyptic number.

299168142242 is a deficient number, since it is larger than the sum of its proper divisors (162084431281).

299168142242 is an frugal number, since it uses more digits than its factorization.

299168142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20982 (or 10492 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

Multiplying 299168142242 by its sum of digits (50), we get a square (14958407112100 = 3867610²).

The spelling of 299168142242 in words is "two hundred ninety-nine billion, one hundred sixty-eight million, one hundred forty-two thousand, two hundred forty-two".