144251275321 has 2 divisors, whose sum is σ = 144251275322. Its totient is φ = 144251275320.

The previous prime is 144251275319. The next prime is 144251275457. The reversal of 144251275321 is 123572152441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121845676096 + 22405599225 = 349064^2 + 149685^2 .

It is a cyclic number.

It is not a de Polignac number, because 144251275321 - 2¹ = 144251275319 is a prime.

Together with 144251275319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (144251275121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72125637660 + 72125637661.

It is an arithmetic number, because the mean of its divisors is an integer number (72125637661).

Almost surely, 2^144251275321 is an apocalyptic number.

It is an amenable number.

144251275321 is a deficient number, since it is larger than the sum of its proper divisors (1).

144251275321 is an equidigital number, since it uses as much as digits as its factorization.

144251275321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The spelling of 144251275321 in words is "one hundred forty-four billion, two hundred fifty-one million, two hundred seventy-five thousand, three hundred twenty-one".