1143544 has 16 divisors (see below), whose sum is σ = 2157120. Its totient is φ = 568320.

The previous prime is 1143529. The next prime is 1143551. The reversal of 1143544 is 4453411.

It is a congruent number.

It is an unprimeable number.

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, 1464 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (134820).

2^1143544 is an apocalyptic number.

It is an amenable number.

1143544 is a deficient number, since it is larger than the sum of its proper divisors (1013576).

1143544 is a wasteful number, since it uses less digits than its factorization.

1143544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 866 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 1143544 is about 1069.3661674095. The cubic root of 1143544 is about 104.5725326892.

Adding to 1143544 its reverse (4453411), we get a palindrome (5596955).

The spelling of 1143544 in words is "one million, one hundred forty-three thousand, five hundred forty-four".