144950165909 has 2 divisors, whose sum is σ = 144950165910. Its totient is φ = 144950165908.

The previous prime is 144950165873. The next prime is 144950165929. The reversal of 144950165909 is 909561059441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140527516900 + 4422649009 = 374870^2 + 66503^2 .

It is a cyclic number.

It is not a de Polignac number, because 144950165909 - 2¹² = 144950161813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144950165929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72475082954 + 72475082955.

It is an arithmetic number, because the mean of its divisors is an integer number (72475082955).

Almost surely, 2^144950165909 is an apocalyptic number.

It is an amenable number.

144950165909 is a deficient number, since it is larger than the sum of its proper divisors (1).

144950165909 is an equidigital number, since it uses as much as digits as its factorization.

144950165909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 144950165909 in words is "one hundred forty-four billion, nine hundred fifty million, one hundred sixty-five thousand, nine hundred nine".