1143434043 has 8 divisors (see below), whose sum is σ = 1693976400. Its totient is φ = 762289344.

The previous prime is 1143434023. The next prime is 1143434057. The reversal of 1143434043 is 3404343411.

1143434043 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1143434043 - 2¹⁴ = 1143417659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42349409 = 1143434043 / (1 + 1 + 4 + 3 + 4 + 3 + 4 + 0 + 4 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 1143433998 and 1143434016.

It is not an unprimeable number, because it can be changed into a prime (1143434023) 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, 21174678 + ... + 21174731.

It is an arithmetic number, because the mean of its divisors is an integer number (211747050).

Almost surely, 2^1143434043 is an apocalyptic number.

1143434043 is a deficient number, since it is larger than the sum of its proper divisors (550542357).

1143434043 is an equidigital number, since it uses as much as digits as its factorization.

1143434043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42349418 (or 42349412 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1143434043 is about 33814.7015808213. The cubic root of 1143434043 is about 1045.6918087223.

Adding to 1143434043 its reverse (3404343411), we get a palindrome (4547777454).

The spelling of 1143434043 in words is "one billion, one hundred forty-three million, four hundred thirty-four thousand, forty-three".