11445449 has 2 divisors, whose sum is σ = 11445450. Its totient is φ = 11445448.

The previous prime is 11445443. The next prime is 11445481. The reversal of 11445449 is 94454411.

11445449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11445481) can be obtained adding 11445449 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10679824 + 765625 = 3268^2 + 875^2 .

It is an emirp because it is prime and its reverse (94454411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11445449 is a prime.

It is not a weakly prime, because it can be changed into another prime (11445443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722724 + 5722725.

It is an arithmetic number, because the mean of its divisors is an integer number (5722725).

Almost surely, 2^11445449 is an apocalyptic number.

It is an amenable number.

11445449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11445449 is an equidigital number, since it uses as much as digits as its factorization.

11445449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 11445449 is about 3383.1123244728. The cubic root of 11445449 is about 225.3604034699.

The spelling of 11445449 in words is "eleven million, four hundred forty-five thousand, four hundred forty-nine".