1143208441 has 4 divisors (see below), whose sum is σ = 1145394832. Its totient is φ = 1141022052.

The previous prime is 1143208439. The next prime is 1143208477. The reversal of 1143208441 is 1448023411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1143208441 - 2¹ = 1143208439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143208541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092411 + ... + 1093456.

It is an arithmetic number, because the mean of its divisors is an integer number (286348708).

Almost surely, 2^1143208441 is an apocalyptic number.

It is an amenable number.

1143208441 is a deficient number, since it is larger than the sum of its proper divisors (2186391).

1143208441 is an equidigital number, since it uses as much as digits as its factorization.

1143208441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186390.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1143208441 is about 33811.3655595275. The cubic root of 1143208441 is about 1045.6230317833.

The spelling of 1143208441 in words is "one billion, one hundred forty-three million, two hundred eight thousand, four hundred forty-one".