Is 4455 a deficient number and what is its deficiency?

Is 4455 a deficient number?

Here we will explain and calculate if 4455 is a deficient number and its deficiency if applicable.

4455 is a deficient number if the sum of its proper divisors is less than 4455.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 9 + 11 + 15 + 27 + 33 + 45 + 55 + 81 + 99 + 135 + 165 + 297 + 405 + 495 + 891 + 1485 = 4257.

4257 is less than 4455. Therefore, 4455 is a deficient number.

The deficiency of 4455 is 4455 minus the sum of its proper divisors. Thus, the deficiency of 4455 is 4455 - 4257 = 198

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