11145838 has 8 divisors (see below), whose sum is σ = 18238680. Its totient is φ = 5066280.

The previous prime is 11145817. The next prime is 11145839. The reversal of 11145838 is 83854111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145839) 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, 253293 + ... + 253336.

It is an arithmetic number, because the mean of its divisors is an integer number (2279835).

Almost surely, 2^11145838 is an apocalyptic number.

11145838 is a deficient number, since it is larger than the sum of its proper divisors (7092842).

11145838 is a wasteful number, since it uses less digits than its factorization.

11145838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506642.

The product of its digits is 3840, while the sum is 31.

The square root of 11145838 is about 3338.5383029104. The cubic root of 11145838 is about 223.3765481583.

Adding to 11145838 its reverse (83854111), we get a palindrome (94999949).

The spelling of 11145838 in words is "eleven million, one hundred forty-five thousand, eight hundred thirty-eight".