45 = XLV and 726 = DCCXXVI
45 in Roman numerals is XLIV and 45 is XLV.
XLV in roman numerals = 45
45 = XLV
45 = XLV
The Roman numerals are XLV.
XXXXV
45
45 = XLV
54
XLV in Roman numerals = 45
XLV = 45
45 but under today's notation of Roman numerals it is written out as XLV