144734471309 has 2 divisors, whose sum is σ = 144734471310. Its totient is φ = 144734471308.

The previous prime is 144734471257. The next prime is 144734471363. The reversal of 144734471309 is 903174437441.

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., 126182669284 + 18551802025 = 355222^2 + 136205^2 .

It is an emirp because it is prime and its reverse (903174437441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144734471309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144734471909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72367235654 + 72367235655.

It is an arithmetic number, because the mean of its divisors is an integer number (72367235655).

Almost surely, 2^144734471309 is an apocalyptic number.

It is an amenable number.

144734471309 is a deficient number, since it is larger than the sum of its proper divisors (1).

144734471309 is an equidigital number, since it uses as much as digits as its factorization.

144734471309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 144734471309 in words is "one hundred forty-four billion, seven hundred thirty-four million, four hundred seventy-one thousand, three hundred nine".