1144444433 has 32 divisors (see below), whose sum is σ = 1299946752. Its totient is φ = 998784000.

The previous prime is 1144444397. The next prime is 1144444459. The reversal of 1144444433 is 3344444411.

It is a cyclic number.

It is not a de Polignac number, because 1144444433 - 2¹⁶ = 1144378897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1144444433.

It is not an unprimeable number, because it can be changed into a prime (1144444463) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8353541 + ... + 8353677.

It is an arithmetic number, because the mean of its divisors is an integer number (40623336).

Almost surely, 2^1144444433 is an apocalyptic number.

It is an amenable number.

1144444433 is a deficient number, since it is larger than the sum of its proper divisors (155502319).

1144444433 is a wasteful number, since it uses less digits than its factorization.

1144444433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 36864, while the sum is 32.

The square root of 1144444433 is about 33829.6383811592. The cubic root of 1144444433 is about 1045.9997248920. Note that the first 3 decimals are identical.

Adding to 1144444433 its reverse (3344444411), we get a palindrome (4488888844).

It can be divided in two parts, 11 and 44444433, that added together give a palindrome (44444444).

The spelling of 1144444433 in words is "one billion, one hundred forty-four million, four hundred forty-four thousand, four hundred thirty-three".