11442243 has 4 divisors (see below), whose sum is σ = 15256328. Its totient is φ = 7628160.

The previous prime is 11442227. The next prime is 11442251. The reversal of 11442243 is 34224411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11442243 - 2⁴ = 11442227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11442203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907038 + ... + 1907043.

It is an arithmetic number, because the mean of its divisors is an integer number (3814082).

Almost surely, 2^11442243 is an apocalyptic number.

11442243 is a deficient number, since it is larger than the sum of its proper divisors (3814085).

11442243 is an equidigital number, since it uses as much as digits as its factorization.

11442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814084.

The product of its digits is 768, while the sum is 21.

The square root of 11442243 is about 3382.6384672323. The cubic root of 11442243 is about 225.3393595037.

Adding to 11442243 its reverse (34224411), we get a palindrome (45666654).

The spelling of 11442243 in words is "eleven million, four hundred forty-two thousand, two hundred forty-three".