Question: What number president is the person who had a feud with Megyn Kelly in her book Settle for More?
Related documents: [0]  [DOC] Settle for More is a 2016 autobiography written by American journalist and political commentator Megyn Kelly. The book discusses the unwanted sexual advances she received from Roger Ailes while working at Fox News, as well as her feud with then Presidential nominee Donald Trump. [END] 
[1]  [DOC] Donald John Trump (born June 14, 1946) is the 45th and current President of the United States, in office since January 20, 2017. Before entering politics, he was a businessman and television personality. [END] 
Answer: 
45th
45th