Is 1545 a deficient number and what is its deficiency?

Is 1545 a deficient number?

Here we will explain and calculate if 1545 is a deficient number and its deficiency if applicable.

1545 is a deficient number if the sum of its proper divisors is less than 1545.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 15 + 103 + 309 + 515 = 951.

951 is less than 1545. Therefore, 1545 is a deficient number.

The deficiency of 1545 is 1545 minus the sum of its proper divisors. Thus, the deficiency of 1545 is 1545 - 951 = 594

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