In Mathematics
132 is the sixth Catalan number. It is a pronic number, the product of 11 and 12. As it has 12 divisors total, 132 is a refactorable number.
If you take the sum of all 2-digit numbers you can make from 132, you get 132: . 132 is the smallest number with this property.
But there is no number that, when added to the sum of its own digits, adds up to 132, making 132 a self number. However, 132 is a Harshad number, divisible by the sum of its base 10 digits.
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