14545411454549 has 2 divisors, whose sum is σ = 14545411454550. Its totient is φ = 14545411454548.

The previous prime is 14545411454533. The next prime is 14545411454633. The reversal of 14545411454549 is 94545411454541.

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., 10773775569649 + 3771635884900 = 3282343^2 + 1942070^2 .

It is an emirp because it is prime and its reverse (94545411454541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14545411454549 - 2⁴ = 14545411454533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14545411454494 and 14545411454503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14545411424549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7272705727274 + 7272705727275.

It is an arithmetic number, because the mean of its divisors is an integer number (7272705727275).

Almost surely, 2^{14545411454549} is an apocalyptic number.

It is an amenable number.

14545411454549 is a deficient number, since it is larger than the sum of its proper divisors (1).

14545411454549 is an equidigital number, since it uses as much as digits as its factorization.

14545411454549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040000, while the sum is 56.

The spelling of 14545411454549 in words is "fourteen trillion, five hundred forty-five billion, four hundred eleven million, four hundred fifty-four thousand, five hundred forty-nine".