Who knows one hundred forty-nine?
Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will:
Upvote all interesting answers.
Accept the best answer.
Go on to the next number.
149 are the chapters in Tehillim that aren't titled "tehillah." (Ps. 145 is the only one, and apparently it gave its title to the entire book!)