144421142321 has 8 divisors (see below), whose sum is σ = 152923083264. Its totient is φ = 135919932480.

The previous prime is 144421142311. The next prime is 144421142351. The reversal of 144421142321 is 123241124441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144421142321 - 2²⁶ = 144354033457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144421142311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253736 + ... + 594326.

It is an arithmetic number, because the mean of its divisors is an integer number (19115385408).

Almost surely, 2^144421142321 is an apocalyptic number.

It is an amenable number.

144421142321 is a deficient number, since it is larger than the sum of its proper divisors (8501940943).

144421142321 is a wasteful number, since it uses less digits than its factorization.

144421142321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365551.

The product of its digits is 6144, while the sum is 29.

Adding to 144421142321 its reverse (123241124441), we get a palindrome (267662266762).

The spelling of 144421142321 in words is "one hundred forty-four billion, four hundred twenty-one million, one hundred forty-two thousand, three hundred twenty-one".