Hi, I would retake the exam. I got a 144 (October) and a 3.33 GPA. When I retook it in December, I got a 156. It was definitely the nerves and anxiety that contributed to the 144, but after the second time around, I felt a lot more relaxed and confident. I just found out that I got accepted to Rutgers-Camden. So if you feel that the 147 doesn't reflect your potential, I would try it again.
Hope this helps,