144224304142321 has 32 divisors (see below), whose sum is σ = 157965751157760. Its totient is φ = 130869487558656.

The previous prime is 144224304142283. The next prime is 144224304142351. The reversal of 144224304142321 is 123241403422441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144224304142321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144224304142351) 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, 1554647680 + ... + 1554740446.

It is an arithmetic number, because the mean of its divisors is an integer number (4936429723680).

Almost surely, 2^{144224304142321} is an apocalyptic number.

It is an amenable number.

144224304142321 is a deficient number, since it is larger than the sum of its proper divisors (13741447015439).

144224304142321 is a wasteful number, since it uses less digits than its factorization.

144224304142321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96553.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 144224304142321 its reverse (123241403422441), we get a palindrome (267465707564762).

The spelling of 144224304142321 in words is "one hundred forty-four trillion, two hundred twenty-four billion, three hundred four million, one hundred forty-two thousand, three hundred twenty-one".