157

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is a prime

It is a Sexy prime for 151 and 163.

As Unicode codepoint (since version 1.1) this number represents this character: OPERATING SYSTEM COMMAND (OSC) in Latin-1 Supplement (Source: https://unicode-api.aaronluna.dev/v1/codepoints/9d?show_props=Basic); HTML: 

In the work of Johann Sebastian Bach BWV 157 is Ich lasse dich nicht, du segnest mich denn

The number appears at position 1657 of the decimal digits of π surrounded by
4144197356854816136115735255213347574184946 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 2520.392ms; cpu: 94.3589999999999ms)