Is 155 a deficient number and what is its deficiency?

Is 155 a deficient number?

Here we will explain and calculate if 155 is a deficient number and its deficiency if applicable.

155 is a deficient number if the sum of its proper divisors is less than 155.

The sum of its proper divisors is calculated as follows: 1 + 5 + 31 = 37.

37 is less than 155. Therefore, 155 is a deficient number.

The deficiency of 155 is 155 minus the sum of its proper divisors. Thus, the deficiency of 155 is 155 - 37 = 118

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