Il numero romano MCXLV nel sistema decimale vale: 1145.
MCXLV in latino si scrive mille centum quadraginta quinque,
mentre in italiano millecentoquarantacinque.
MCXXVI, MCXXVII, MCXXVIII, MCXXIX, MCXXX, MCXXXI, MCXXXII, MCXXXIII, MCXXXIV, MCXXXV, MCXXXVI, MCXXXVII, MCXXXVIII, MCXXXIX, MCXL, MCXLI, MCXLII, MCXLIII, MCXLIV, MCXLVI, MCXLVII, MCXLVIII, MCXLIX, MCL, MCLI, MCLII, MCLIII, MCLIV, MCLV, MCLVI, MCLVII, MCLVIII, MCLIX, MCLX, MCLXI, MCLXII, MCLXIII, MCLXIV