The phrase "haddest one number" can be substituted with several synonyms to express the idea of being lucky or fortunate. One such synonym is "got lucky," which implies a sense of chance or serendipity. Another option is "hit the jackpot," which carries a connotation of winning big. Additionally, "struck gold" communicates a similar idea of discovering something valuable or fortunate. Other possible synonyms include "got a break," "had good fortune," or "came out ahead." Ultimately, using a varied vocabulary can help to communicate one's thoughts more effectively and engage readers or listeners.