11143438 has 8 divisors (see below), whose sum is σ = 17167032. Its totient is φ = 5421096.

The previous prime is 11143427. The next prime is 11143463. The reversal of 11143438 is 83434111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75220 + ... + 75367.

It is an arithmetic number, because the mean of its divisors is an integer number (2145879).

Almost surely, 2^11143438 is an apocalyptic number.

11143438 is a deficient number, since it is larger than the sum of its proper divisors (6023594).

11143438 is a wasteful number, since it uses less digits than its factorization.

11143438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150626.

The product of its digits is 1152, while the sum is 25.

The square root of 11143438 is about 3338.1788448194. The cubic root of 11143438 is about 223.3605140058.

Adding to 11143438 its reverse (83434111), we get a palindrome (94577549).

The spelling of 11143438 in words is "eleven million, one hundred forty-three thousand, four hundred thirty-eight".