1143346481 has 8 divisors (see below), whose sum is σ = 1151804928. Its totient is φ = 1134900000.

The previous prime is 1143346471. The next prime is 1143346499. The reversal of 1143346481 is 1846433411.

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

It is a cyclic number.

It is not a de Polignac number, because 1143346481 - 2¹⁰ = 1143345457 is a prime.

It is a super-2 number, since 2×1143346481² = 2614482351230166722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1143346471) 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 7 ways as a sum of consecutive naturals, for example, 292661 + ... + 296541.

It is an arithmetic number, because the mean of its divisors is an integer number (143975616).

Almost surely, 2^1143346481 is an apocalyptic number.

It is an amenable number.

1143346481 is a deficient number, since it is larger than the sum of its proper divisors (8458447).

1143346481 is a wasteful number, since it uses less digits than its factorization.

1143346481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983.

The product of its digits is 27648, while the sum is 35.

The square root of 1143346481 is about 33813.4068233297. The cubic root of 1143346481 is about 1045.6651156790.

Adding to 1143346481 its reverse (1846433411), we get a palindrome (2989779892).

The spelling of 1143346481 in words is "one billion, one hundred forty-three million, three hundred forty-six thousand, four hundred eighty-one".