Answer
Five thousand four hundred and forty-five
Work Step by Step
To write 5445 in words, start from the left. The number has four places, and the first 5 is in the thousands place, so you say five thousand. The next number in the hundreds place is 4, so you say four hundred. The third number is the tens place and it is another 4, so you say forty. The final number is in the ones place and it is a five: Five thousand four hundred and forty five.