144203043161 has 2 divisors, whose sum is σ = 144203043162. Its totient is φ = 144203043160.

The previous prime is 144203043157. The next prime is 144203043217. The reversal of 144203043161 is 161340302441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113177743561 + 31025299600 = 336419^2 + 176140^2 .

It is an emirp because it is prime and its reverse (161340302441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144203043161 - 2² = 144203043157 is a prime.

It is not a weakly prime, because it can be changed into another prime (144203043151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72101521580 + 72101521581.

It is an arithmetic number, because the mean of its divisors is an integer number (72101521581).

Almost surely, 2^144203043161 is an apocalyptic number.

It is an amenable number.

144203043161 is a deficient number, since it is larger than the sum of its proper divisors (1).

144203043161 is an equidigital number, since it uses as much as digits as its factorization.

144203043161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 144203043161 in words is "one hundred forty-four billion, two hundred three million, forty-three thousand, one hundred sixty-one".