1143443411 has 8 divisors (see below), whose sum is σ = 1252033200. Its totient is φ = 1035627040.

The previous prime is 1143443347. The next prime is 1143443419.

It is a happy number.

1143443411 is nontrivially palindromic in base 10.

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 1143443411 - 2⁶ = 1143443347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143443419) 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, 190256 + ... + 196173.

It is an arithmetic number, because the mean of its divisors is an integer number (156504150).

Almost surely, 2^1143443411 is an apocalyptic number.

1143443411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1143443411 is a deficient number, since it is larger than the sum of its proper divisors (108589789).

1143443411 is a wasteful number, since it uses less digits than its factorization.

1143443411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386709.

The product of its digits is 2304, while the sum is 26.

The square root of 1143443411 is about 33814.8401001690. The cubic root of 1143443411 is about 1045.6946644516.

It can be divided in two parts, 11434 and 43411, that added together give a palindrome (54845).

The spelling of 1143443411 in words is "one billion, one hundred forty-three million, four hundred forty-three thousand, four hundred eleven".