14545439 has 2 divisors, whose sum is σ = 14545440. Its totient is φ = 14545438.

The previous prime is 14545409. The next prime is 14545457. The reversal of 14545439 is 93454541.

It is a strong prime.

It is an emirp because it is prime and its reverse (93454541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14545439 - 2²⁰ = 13496863 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14545399 and 14545408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14545409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7272719 + 7272720.

It is an arithmetic number, because the mean of its divisors is an integer number (7272720).

Almost surely, 2^14545439 is an apocalyptic number.

14545439 is a deficient number, since it is larger than the sum of its proper divisors (1).

14545439 is an equidigital number, since it uses as much as digits as its factorization.

14545439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 14545439 is about 3813.8483189555. The cubic root of 14545439 is about 244.1044019318.

The spelling of 14545439 in words is "fourteen million, five hundred forty-five thousand, four hundred thirty-nine".