144345505399 has 2 divisors, whose sum is σ = 144345505400. Its totient is φ = 144345505398.

The previous prime is 144345505387. The next prime is 144345505427. The reversal of 144345505399 is 993505543441.

It is a weak prime.

It is an emirp because it is prime and its reverse (993505543441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144345505399 - 2¹³ = 144345497207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144345505999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72172752699 + 72172752700.

It is an arithmetic number, because the mean of its divisors is an integer number (72172752700).

Almost surely, 2^144345505399 is an apocalyptic number.

144345505399 is a deficient number, since it is larger than the sum of its proper divisors (1).

144345505399 is an equidigital number, since it uses as much as digits as its factorization.

144345505399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832000, while the sum is 52.

It can be divided in two parts, 144 and 345505399, that added together give a palindrome (345505543).

The spelling of 144345505399 in words is "one hundred forty-four billion, three hundred forty-five million, five hundred five thousand, three hundred ninety-nine".