IntToEnglish::Int2Eng(1000); // One Thousand
IntToEnglish::Int2Eng(10500); // Ten Thousand Five hundred

use Illuminate\Http\Request;
use SujalPatel\IntToEnglish\IntToEnglish;

class TestController extends Controller
{
    public function index() {
            echo IntToEnglish::Int2Eng(4500000); //Four Million Five Hundred Thousand 
    }
}

Route::get('/', 'TestController@index');