Shiv'a VaChamishim Umeya - mi yodeya?

Question

Who knows one hundred fifty-seven?

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.

Answer 1

Yitzchak was 157 when Yaakov began his journey home.

123 when Yaakov left (sourced previously in MiYodeya)

14 years that Yaakov was in Yeshivas S&E

20 years Yaakov was by Lavan