Is 1345 a deficient number and what is its deficiency?

Is 1345 a deficient number?

Here we will explain and calculate if 1345 is a deficient number and its deficiency if applicable.

1345 is a deficient number if the sum of its proper divisors is less than 1345.

The sum of its proper divisors is calculated as follows: 1 + 5 + 269 = 275.

275 is less than 1345. Therefore, 1345 is a deficient number.

The deficiency of 1345 is 1345 minus the sum of its proper divisors. Thus, the deficiency of 1345 is 1345 - 275 = 1070

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