144312333221 has 32 divisors (see below), whose sum is σ = 176745104640. Its totient is φ = 115082809344.

The previous prime is 144312333203. The next prime is 144312333223. The reversal of 144312333221 is 122333213441.

It is a cyclic number.

It is not a de Polignac number, because 144312333221 - 2⁶ = 144312333157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144312333223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2230301 + ... + 2294093.

It is an arithmetic number, because the mean of its divisors is an integer number (5523284520).

Almost surely, 2^144312333221 is an apocalyptic number.

It is an amenable number.

144312333221 is a deficient number, since it is larger than the sum of its proper divisors (32432771419).

144312333221 is a wasteful number, since it uses less digits than its factorization.

144312333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64125.

The product of its digits is 10368, while the sum is 29.

Adding to 144312333221 its reverse (122333213441), we get a palindrome (266645546662).

The spelling of 144312333221 in words is "one hundred forty-four billion, three hundred twelve million, three hundred thirty-three thousand, two hundred twenty-one".