1133143444 has 12 divisors (see below), whose sum is σ = 1985909184. Its totient is φ = 565740824.

The previous prime is 1133143423. The next prime is 1133143469. The reversal of 1133143444 is 4443413311.

It is a happy number.

It is a super-2 number, since 2×1133143444² = 2568028129360362272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204652 + ... + 210115.

It is an arithmetic number, because the mean of its divisors is an integer number (165492432).

Almost surely, 2^1133143444 is an apocalyptic number.

It is an amenable number.

1133143444 is a deficient number, since it is larger than the sum of its proper divisors (852765740).

1133143444 is a wasteful number, since it uses less digits than its factorization.

1133143444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415454 (or 415452 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1133143444 is about 33662.1960662105. The cubic root of 1133143444 is about 1042.5453689997.

Adding to 1133143444 its reverse (4443413311), we get a palindrome (5576556755).

The spelling of 1133143444 in words is "one billion, one hundred thirty-three million, one hundred forty-three thousand, four hundred forty-four".