11143744 has 14 divisors (see below), whose sum is σ = 22113494. Its totient is φ = 5571840.

The previous prime is 11143733. The next prime is 11143817. The reversal of 11143744 is 44734111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8294400 + 2849344 = 2880^2 + 1688^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86997 + ... + 87124.

Almost surely, 2^11143744 is an apocalyptic number.

It is an amenable number.

11143744 is a deficient number, since it is larger than the sum of its proper divisors (10969750).

11143744 is an equidigital number, since it uses as much as digits as its factorization.

11143744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174133 (or 174123 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 11143744 is about 3338.2246778789. The cubic root of 11143744 is about 223.3625584883.

Adding to 11143744 its reverse (44734111), we get a palindrome (55877855).

It can be divided in two parts, 111 and 43744, that multiplied together give a palindrome (4855584).

The spelling of 11143744 in words is "eleven million, one hundred forty-three thousand, seven hundred forty-four".