144241321 has 16 divisors (see below), whose sum is σ = 170795520. Its totient is φ = 119243520.

The previous prime is 144241319. The next prime is 144241327. The reversal of 144241321 is 123142441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144241321 - 2¹ = 144241319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144241292 and 144241301.

It is not an unprimeable number, because it can be changed into a prime (144241327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22720 + ... + 28366.

It is an arithmetic number, because the mean of its divisors is an integer number (10674720).

Almost surely, 2^144241321 is an apocalyptic number.

It is an amenable number.

144241321 is a deficient number, since it is larger than the sum of its proper divisors (26554199).

144241321 is an equidigital number, since it uses as much as digits as its factorization.

144241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784.

The product of its digits is 768, while the sum is 22.

The square root of 144241321 is about 12010.0508325319. The cubic root of 144241321 is about 524.4409116997.

Adding to 144241321 its reverse (123142441), we get a palindrome (267383762).

The spelling of 144241321 in words is "one hundred forty-four million, two hundred forty-one thousand, three hundred twenty-one".