Alright, let's work through 45407154 times 90611524 step by step
45407154 × 90611524 = 90611524 × (45407154)
+ 90611524 × 4 yielding 362446096
+ 90611524 × 50 yielding 4530576200
+ 90611524 × 100 what gives us 9061152400
+ 90611524 × 7000 that equals 634280668000
+ 90611524 × 00000 that results in 0
+ 90611524 × 400000 that is equal 36244609600000
+ 90611524 × 5000000 resulting in 453057620000000
+ 90611524 × 40000000 yielding 3624460960000000

= 4114411424442696
