Is 1445 a deficient number and what is its deficiency?

Is 1445 a deficient number?

Here we will explain and calculate if 1445 is a deficient number and its deficiency if applicable.

1445 is a deficient number if the sum of its proper divisors is less than 1445.

The sum of its proper divisors is calculated as follows: 1 + 5 + 17 + 85 + 289 = 397.

397 is less than 1445. Therefore, 1445 is a deficient number.

The deficiency of 1445 is 1445 minus the sum of its proper divisors. Thus, the deficiency of 1445 is 1445 - 397 = 1048

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