Alright, let's work through 86454545 times 45290654 step by step
86454545 × 45290654 = 45290654 × (86454545)
+ 45290654 × 5 which equals 226453270
+ 45290654 × 40 resulting in 1811626160
+ 45290654 × 500 giving us 22645327000
+ 45290654 × 4000 resulting in 181162616000
+ 45290654 × 50000 that equals 2264532700000
+ 45290654 × 400000 that is equal 18116261600000
+ 45290654 × 6000000 which equals 271743924000000
+ 45290654 × 80000000 that equals 3623252320000000

= 3915582884322430
