1144345543 has 8 divisors (see below), whose sum is σ = 1268842896. Its totient is φ = 1023259200.

The previous prime is 1144345513. The next prime is 1144345549. The reversal of 1144345543 is 3455434411.

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 1144345543 - 2¹⁷ = 1144214471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144345499 and 1144345508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144345549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852046 + ... + 853387.

It is an arithmetic number, because the mean of its divisors is an integer number (158605362).

Almost surely, 2^1144345543 is an apocalyptic number.

1144345543 is a deficient number, since it is larger than the sum of its proper divisors (124497353).

1144345543 is a wasteful number, since it uses less digits than its factorization.

1144345543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705505.

The product of its digits is 57600, while the sum is 34.

The square root of 1144345543 is about 33828.1767613923. The cubic root of 1144345543 is about 1045.9695961852.

Adding to 1144345543 its reverse (3455434411), we get a palindrome (4599779954).

The spelling of 1144345543 in words is "one billion, one hundred forty-four million, three hundred forty-five thousand, five hundred forty-three".