11145143 has 2 divisors, whose sum is σ = 11145144. Its totient is φ = 11145142.

The previous prime is 11145137. The next prime is 11145161. The reversal of 11145143 is 34154111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34154111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11145143 - 2¹² = 11141047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11145163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572571 + 5572572.

It is an arithmetic number, because the mean of its divisors is an integer number (5572572).

Almost surely, 2^11145143 is an apocalyptic number.

11145143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11145143 is an equidigital number, since it uses as much as digits as its factorization.

11145143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 11145143 is about 3338.4342138194. The cubic root of 11145143 is about 223.3719051718.

Adding to 11145143 its reverse (34154111), we get a palindrome (45299254).

It can be divided in two parts, 111 and 45143, that added together give a palindrome (45254).

The spelling of 11145143 in words is "eleven million, one hundred forty-five thousand, one hundred forty-three".