MMMCCCXLV

MMMCCCXLV is a Roman numeral representing the number 3345. It is formed by combining symbols from the classical Roman numeral system, where M equals 1000, C equals 100, L equals 50, X equals 10, and V equals 5.

The value is computed as 1000 + 1000 + 1000 + 300 + 40 + 5, applying subtractive notation with XL for 40. Thus MMMCCCXLV equals 3345.

Roman numerals were widely used in ancient Rome and continued into medieval Europe for inscriptions, monarchic regnal numbers, and the enumeration of chapters or volumes. In modern contexts they appear on clock faces, monuments, film titles, and in various naming schemes.

As a number, 3345 is odd and composite; it factors as 3 × 5 × 223 (or 15 × 223). The numeral MMMCCCXLV adheres to standard construction rules, using subtractive notation for 40 (XL) and additive notation for the other values.