144178340527321 has 2 divisors, whose sum is σ = 144178340527322. Its totient is φ = 144178340527320.

The previous prime is 144178340527313. The next prime is 144178340527357. The reversal of 144178340527321 is 123725043871441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139544606410000 + 4633734117321 = 11812900^2 + 2152611^2 .

It is a cyclic number.

It is not a de Polignac number, because 144178340527321 - 2³ = 144178340527313 is a prime.

It is not a weakly prime, because it can be changed into another prime (144178340537321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72089170263660 + 72089170263661.

It is an arithmetic number, because the mean of its divisors is an integer number (72089170263661).

Almost surely, 2^{144178340527321} is an apocalyptic number.

It is an amenable number.

144178340527321 is a deficient number, since it is larger than the sum of its proper divisors (1).

144178340527321 is an equidigital number, since it uses as much as digits as its factorization.

144178340527321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 144178340527321 in words is "one hundred forty-four trillion, one hundred seventy-eight billion, three hundred forty million, five hundred twenty-seven thousand, three hundred twenty-one".