45 × 45 = 2025
45
The number is 45
27
45 x 45 = 2,025
45. if you get a calculator and hit the square root button (like a tick) and then key in 2025 = it should give you 45
(675,3)(405,5)(225,9)(135,15)(81,25)(75,27)
45 multiplied by 45 is 2025
Starting from the first square number being 1, the 45th is 2025.
45 x 45 = 2,025
452 = 2025
2025.