Is 945 a deficient number and what is its deficiency?

Is 945 a deficient number?

Here we will explain and calculate if 945 is a deficient number and its deficiency if applicable.

945 is a deficient number if the sum of its proper divisors is less than 945.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 7 + 9 + 15 + 21 + 27 + 35 + 45 + 63 + 105 + 135 + 189 + 315 = 975.

975 is not less than 945. Therefore, 945 is not a deficient number.

The deficiency of 945 is 945 minus the sum of its proper divisors. Thus, the deficiency of 945 is 945 - 975 = No Deficiency

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