1148

1148 is an integer. In base-10 factoring, 1148 = 2^2 × 7 × 41. It is even and composite. The positive divisors are 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, for a total of 12 divisors. The sum of all divisors is 2352, meaning the number is abundant (the sum of proper divisors 1204 exceeds 1148). In Roman numerals, 1148 is MCXLVIII.

In calendar terms, 1148 CE falls in the middle of the 12th century, during the High Middle Ages. It occurred within the period of the Second Crusade (roughly 1147–1149). A notable event of that year was the Siege of Damascus, where Crusader forces failed to capture the city, influencing subsequent Crusade strategy. The era also included ongoing Christian–Muslim conflicts in the Iberian Peninsula and broader European political and religious dynamics.