That means that he enjoys talking to you. We are simple. We say what we mean. You are enjoyable. In which way, I don't know but certainly in one. I don't know if it is because you are funny or understanding or intelligent. Ask him that. He knows.
Well let me be another guy that says it means he enjoys talking to you and doesn't find you annoying. He could be giving you a compliment, or a sign of interest. But him saying something like this isn't enough to go on for sure. Just keep up contact with him and see how things go.