11243149 has 2 divisors, whose sum is σ = 11243150. Its totient is φ = 11243148.

The previous prime is 11243131. The next prime is 11243189. The reversal of 11243149 is 94134211.

It is a happy number.

11243149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10465225 + 777924 = 3235^2 + 882^2 .

It is an emirp because it is prime and its reverse (94134211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11243149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11243119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621574 + 5621575.

It is an arithmetic number, because the mean of its divisors is an integer number (5621575).

Almost surely, 2^11243149 is an apocalyptic number.

It is an amenable number.

11243149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243149 is an equidigital number, since it uses as much as digits as its factorization.

11243149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 11243149 is about 3353.0805239362. The cubic root of 11243149 is about 224.0247434933.

The spelling of 11243149 in words is "eleven million, two hundred forty-three thousand, one hundred forty-nine".