1144443211 has 8 divisors (see below), whose sum is σ = 1194771600. Its totient is φ = 1094839200.

The previous prime is 1144443203. The next prime is 1144443233. The reversal of 1144443211 is 1123444411.

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 1144443211 - 2³ = 1144443203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144443241) 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, 177865 + ... + 184186.

It is an arithmetic number, because the mean of its divisors is an integer number (149346450).

Almost surely, 2^1144443211 is an apocalyptic number.

1144443211 is a deficient number, since it is larger than the sum of its proper divisors (50328389).

1144443211 is a wasteful number, since it uses less digits than its factorization.

1144443211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362189.

The product of its digits is 1536, while the sum is 25.

The square root of 1144443211 is about 33829.6203200686. The cubic root of 1144443211 is about 1045.9993525972. Note that the first 3 decimals are identical.

Adding to 1144443211 its reverse (1123444411), we get a palindrome (2267887622).

The spelling of 1144443211 in words is "one billion, one hundred forty-four million, four hundred forty-three thousand, two hundred eleven".