144739883777 has 2 divisors, whose sum is σ = 144739883778. Its totient is φ = 144739883776.

The previous prime is 144739883773. The next prime is 144739883801. The reversal of 144739883777 is 777388937441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94546410256 + 50193473521 = 307484^2 + 224039^2 .

It is an emirp because it is prime and its reverse (777388937441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144739883777 - 2² = 144739883773 is a prime.

It is not a weakly prime, because it can be changed into another prime (144739883773) 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, 72369941888 + 72369941889.

It is an arithmetic number, because the mean of its divisors is an integer number (72369941889).

Almost surely, 2^144739883777 is an apocalyptic number.

It is an amenable number.

144739883777 is a deficient number, since it is larger than the sum of its proper divisors (1).

144739883777 is an equidigital number, since it uses as much as digits as its factorization.

144739883777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 199148544, while the sum is 68.

The spelling of 144739883777 in words is "one hundred forty-four billion, seven hundred thirty-nine million, eight hundred eighty-three thousand, seven hundred seventy-seven".