345

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 3 (3 unique) factors are:
3
5
23

Its 8 divisors are:
1
3
5
15
23
69
115
345
Its aliquote sum is:
231
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:ř LATIN SMALL LETTER R WITH CARON in Latin_Ext_A (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: ř

In the work of Johann Sebastian Bach BWV 345 is Ich bin ja, Herr, in deiner Macht

The number appears at position 1700 of the decimal digits of π surrounded by
8438523323907394143334547762416862518983569 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: 744.288ms; cpu: 83.8539999999996ms)