144950764139 has 2 divisors, whose sum is σ = 144950764140. Its totient is φ = 144950764138.

The previous prime is 144950764031. The next prime is 144950764159. The reversal of 144950764139 is 931467059441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (931467059441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144950764139 - 2¹² = 144950760043 is a prime.

It is a super-2 number, since 2×144950764139² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144950764159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72475382069 + 72475382070.

It is an arithmetic number, because the mean of its divisors is an integer number (72475382070).

Almost surely, 2^144950764139 is an apocalyptic number.

144950764139 is a deficient number, since it is larger than the sum of its proper divisors (1).

144950764139 is an equidigital number, since it uses as much as digits as its factorization.

144950764139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 144950764139 in words is "one hundred forty-four billion, nine hundred fifty million, seven hundred sixty-four thousand, one hundred thirty-nine".