144240550217 has 2 divisors, whose sum is σ = 144240550218. Its totient is φ = 144240550216.

The previous prime is 144240550127. The next prime is 144240550229. The reversal of 144240550217 is 712055042441.

Together with previous prime (144240550127) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84070422601 + 60170127616 = 289949^2 + 245296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144240550217 is a prime.

It is not a weakly prime, because it can be changed into another prime (144240553217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72120275108 + 72120275109.

It is an arithmetic number, because the mean of its divisors is an integer number (72120275109).

Almost surely, 2^144240550217 is an apocalyptic number.

It is an amenable number.

144240550217 is a deficient number, since it is larger than the sum of its proper divisors (1).

144240550217 is an equidigital number, since it uses as much as digits as its factorization.

144240550217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 35.

Adding to 144240550217 its reverse (712055042441), we get a palindrome (856295592658).

The spelling of 144240550217 in words is "one hundred forty-four billion, two hundred forty million, five hundred fifty thousand, two hundred seventeen".