1144430143 has 4 divisors (see below), whose sum is σ = 1146022560. Its totient is φ = 1142837728.

The previous prime is 1144430129. The next prime is 1144430167. The reversal of 1144430143 is 3410344411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144430143 - 2⁹ = 1144429631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144430843) 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, 795130 + ... + 796567.

It is an arithmetic number, because the mean of its divisors is an integer number (286505640).

Almost surely, 2^1144430143 is an apocalyptic number.

1144430143 is a deficient number, since it is larger than the sum of its proper divisors (1592417).

1144430143 is an equidigital number, since it uses as much as digits as its factorization.

1144430143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592416.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1144430143 is about 33829.4271751681. The cubic root of 1144430143 is about 1045.9953712808.

Adding to 1144430143 its reverse (3410344411), we get a palindrome (4554774554).

The spelling of 1144430143 in words is "one billion, one hundred forty-four million, four hundred thirty thousand, one hundred forty-three".