144641341721 has 2 divisors, whose sum is σ = 144641341722. Its totient is φ = 144641341720.

The previous prime is 144641341709. The next prime is 144641341753. The reversal of 144641341721 is 127143146441.

144641341721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137199864025 + 7441477696 = 370405^2 + 86264^2 .

It is a cyclic number.

It is not a de Polignac number, because 144641341721 - 2⁶ = 144641341657 is a prime.

It is a super-2 number, since 2×144641341721² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144641341771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72320670860 + 72320670861.

It is an arithmetic number, because the mean of its divisors is an integer number (72320670861).

Almost surely, 2^144641341721 is an apocalyptic number.

It is an amenable number.

144641341721 is a deficient number, since it is larger than the sum of its proper divisors (1).

144641341721 is an equidigital number, since it uses as much as digits as its factorization.

144641341721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 38.

The spelling of 144641341721 in words is "one hundred forty-four billion, six hundred forty-one million, three hundred forty-one thousand, seven hundred twenty-one".