144331133133221 has 16 divisors (see below), whose sum is σ = 150149767262400. Its totient is φ = 138622776647040.

The previous prime is 144331133133199. The next prime is 144331133133301. The reversal of 144331133133221 is 122331331133441.

It is a cyclic number.

It is not a de Polignac number, because 144331133133221 - 2³⁸ = 144056255226277 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 (144331133183221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63756671 + ... + 65981628.

It is an arithmetic number, because the mean of its divisors is an integer number (9384360453900).

Almost surely, 2^{144331133133221} is an apocalyptic number.

It is an amenable number.

144331133133221 is a deficient number, since it is larger than the sum of its proper divisors (5818634129179).

144331133133221 is a wasteful number, since it uses less digits than its factorization.

144331133133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129738724.

The product of its digits is 46656, while the sum is 35.

Adding to 144331133133221 its reverse (122331331133441), we get a palindrome (266662464266662).

The spelling of 144331133133221 in words is "one hundred forty-four trillion, three hundred thirty-one billion, one hundred thirty-three million, one hundred thirty-three thousand, two hundred twenty-one".