According to the question,
Digit at ten's place =4
Digit at unit's place = 14 of ten's place digit = 14 x 4 = 1
Digit at hundred's place= 0
Digit at thousand's place = 5 x Digit at unit's place = 5x1=5
Digit at ten thousand's place = 2 x Digit at ten's place = 2 x 4=8
Required number = 85041