144605992901 has 2 divisors, whose sum is σ = 144605992902. Its totient is φ = 144605992900.

The previous prime is 144605992877. The next prime is 144605992903. The reversal of 144605992901 is 109299506441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133043292001 + 11562700900 = 364751^2 + 107530^2 .

It is a cyclic number.

It is not a de Polignac number, because 144605992901 - 2¹⁸ = 144605730757 is a prime.

Together with 144605992903, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144605992901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144605992903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72302996450 + 72302996451.

It is an arithmetic number, because the mean of its divisors is an integer number (72302996451).

Almost surely, 2^144605992901 is an apocalyptic number.

It is an amenable number.

144605992901 is a deficient number, since it is larger than the sum of its proper divisors (1).

144605992901 is an equidigital number, since it uses as much as digits as its factorization.

144605992901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 144605992901 in words is "one hundred forty-four billion, six hundred five million, nine hundred ninety-two thousand, nine hundred one".