144332410431221 has 32 divisors (see below), whose sum is σ = 152263946588160. Its totient is φ = 136683329295744.

The previous prime is 144332410431217. The next prime is 144332410431269. The reversal of 144332410431221 is 122134014233441.

It is a cyclic number.

It is not a de Polignac number, because 144332410431221 - 2² = 144332410431217 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 (144332410431271) 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, 100023566 + ... + 101456288.

It is an arithmetic number, because the mean of its divisors is an integer number (4758248330880).

Almost surely, 2^{144332410431221} is an apocalyptic number.

It is an amenable number.

144332410431221 is a deficient number, since it is larger than the sum of its proper divisors (7931536156939).

144332410431221 is a wasteful number, since it uses less digits than its factorization.

144332410431221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433385.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 144332410431221 its reverse (122134014233441), we get a palindrome (266466424664662).

The spelling of 144332410431221 in words is "one hundred forty-four trillion, three hundred thirty-two billion, four hundred ten million, four hundred thirty-one thousand, two hundred twenty-one".