144213220342242 has 20 divisors (see below), whose sum is σ = 323144438174646. Its totient is φ = 48071073447360.

The previous prime is 144213220342229. The next prime is 144213220342271. The reversal of 144213220342242 is 242243022312441.

144213220342242 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 1 + 3 + 220 + 3 + 422 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120527001153441 + 23686219188801 = 10978479^2 + 4866849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144213220342197 and 144213220342206.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 445102531759 + ... + 445102532082.

Almost surely, 2^{144213220342242} is an apocalyptic number.

144213220342242 is an abundant number, since it is smaller than the sum of its proper divisors (178931217832404).

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

144213220342242 is an equidigital number, since it uses as much as digits as its factorization.

144213220342242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890205063855 (or 890205063846 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 144213220342242 its reverse (242243022312441), we get a palindrome (386456242654683).

The spelling of 144213220342242 in words is "one hundred forty-four trillion, two hundred thirteen billion, two hundred twenty million, three hundred forty-two thousand, two hundred forty-two".