144240553217 has 2 divisors, whose sum is σ = 144240553218. Its totient is φ = 144240553216.

The previous prime is 144240553199. The next prime is 144240553277. The reversal of 144240553217 is 712355042441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105786912001 + 38453641216 = 325249^2 + 196096^2 .

It is a cyclic number.

It is not a de Polignac number, because 144240553217 - 2²² = 144236358913 is a prime.

It is not a weakly prime, because it can be changed into another prime (144240553277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72120276608 + 72120276609.

It is an arithmetic number, because the mean of its divisors is an integer number (72120276609).

Almost surely, 2^144240553217 is an apocalyptic number.

It is an amenable number.

144240553217 is a deficient number, since it is larger than the sum of its proper divisors (1).

144240553217 is an equidigital number, since it uses as much as digits as its factorization.

144240553217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 38.

Adding to 144240553217 its reverse (712355042441), we get a palindrome (856595595658).

The spelling of 144240553217 in words is "one hundred forty-four billion, two hundred forty million, five hundred fifty-three thousand, two hundred seventeen".