1144200043 has 4 divisors (see below), whose sum is σ = 1307657200. Its totient is φ = 980742888.

The previous prime is 1144200037. The next prime is 1144200047. The reversal of 1144200043 is 3400024411.

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 1144200043 - 2²⁵ = 1110645611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144200047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81728568 + ... + 81728581.

It is an arithmetic number, because the mean of its divisors is an integer number (326914300).

Almost surely, 2^1144200043 is an apocalyptic number.

1144200043 is a deficient number, since it is larger than the sum of its proper divisors (163457157).

1144200043 is an equidigital number, since it uses as much as digits as its factorization.

1144200043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163457156.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1144200043 is about 33826.0261189517. The cubic root of 1144200043 is about 1045.9252637055.

Adding to 1144200043 its reverse (3400024411), we get a palindrome (4544224454).

The spelling of 1144200043 in words is "one billion, one hundred forty-four million, two hundred thousand, forty-three".