1144443443 has 16 divisors (see below), whose sum is σ = 1390888800. Its totient is φ = 927252480.

The previous prime is 1144443439. The next prime is 1144443457. The reversal of 1144443443 is 3443444411.

It is not a de Polignac number, because 1144443443 - 2² = 1144443439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144443463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133838 + ... + 142131.

It is an arithmetic number, because the mean of its divisors is an integer number (86930550).

Almost surely, 2^1144443443 is an apocalyptic number.

1144443443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1144443443 is a deficient number, since it is larger than the sum of its proper divisors (246445357).

1144443443 is a wasteful number, since it uses less digits than its factorization.

1144443443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276022.

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

The square root of 1144443443 is about 33829.6237490162. The cubic root of 1144443443 is about 1045.9994232784. Note that the first 3 decimals are identical.

Adding to 1144443443 its reverse (3443444411), we get a palindrome (4587887854).

The spelling of 1144443443 in words is "one billion, one hundred forty-four million, four hundred forty-three thousand, four hundred forty-three".