144241324261 has 2 divisors, whose sum is σ = 144241324262. Its totient is φ = 144241324260.

The previous prime is 144241324219. The next prime is 144241324333. The reversal of 144241324261 is 162423142441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75128069025 + 69113255236 = 274095^2 + 262894^2 .

It is a cyclic number.

It is not a de Polignac number, because 144241324261 - 2⁹ = 144241323749 is a prime.

It is a super-2 number, since 2×144241324261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144241324861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72120662130 + 72120662131.

It is an arithmetic number, because the mean of its divisors is an integer number (72120662131).

Almost surely, 2^144241324261 is an apocalyptic number.

It is an amenable number.

144241324261 is a deficient number, since it is larger than the sum of its proper divisors (1).

144241324261 is an equidigital number, since it uses as much as digits as its factorization.

144241324261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 34.

The spelling of 144241324261 in words is "one hundred forty-four billion, two hundred forty-one million, three hundred twenty-four thousand, two hundred sixty-one".