144171107917 has 2 divisors, whose sum is σ = 144171107918. Its totient is φ = 144171107916.

The previous prime is 144171107911. The next prime is 144171107929. The reversal of 144171107917 is 719701171441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141862209316 + 2308898601 = 376646^2 + 48051^2 .

It is a cyclic number.

It is not a de Polignac number, because 144171107917 - 2¹⁵ = 144171075149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144171107911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72085553958 + 72085553959.

It is an arithmetic number, because the mean of its divisors is an integer number (72085553959).

Almost surely, 2^144171107917 is an apocalyptic number.

It is an amenable number.

144171107917 is a deficient number, since it is larger than the sum of its proper divisors (1).

144171107917 is an equidigital number, since it uses as much as digits as its factorization.

144171107917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 43.

The spelling of 144171107917 in words is "one hundred forty-four billion, one hundred seventy-one million, one hundred seven thousand, nine hundred seventeen".