144545649893311 has 2 divisors, whose sum is σ = 144545649893312. Its totient is φ = 144545649893310.

The previous prime is 144545649893219. The next prime is 144545649893317. The reversal of 144545649893311 is 113398946545441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (113398946545441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144545649893311 - 2¹⁵ = 144545649860543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144545649893317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72272824946655 + 72272824946656.

It is an arithmetic number, because the mean of its divisors is an integer number (72272824946656).

Almost surely, 2^{144545649893311} is an apocalyptic number.

144545649893311 is a deficient number, since it is larger than the sum of its proper divisors (1).

144545649893311 is an equidigital number, since it uses as much as digits as its factorization.

144545649893311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 223948800, while the sum is 67.

The spelling of 144545649893311 in words is "one hundred forty-four trillion, five hundred forty-five billion, six hundred forty-nine million, eight hundred ninety-three thousand, three hundred eleven".