4455

4455 is a natural number that comes after 4454 and before 4456. In mathematics, it is studied as an integer with several straightforward but notable arithmetic properties.

Its prime factorization is 3^4 × 5 × 11, making 4455 a composite number. The total number of positive divisors is 20. The sum of all divisors is 8712, so the sum of proper divisors is 4257. Because this sum is less than 4455, the number is deficient.

4455 is divisible by 3, 9, 27, and 81, as well as by 5 and 11; for example, 4455 ÷ 45 = 99. It is not a prime and it is not a perfect square (its square root is about 66.7).

In base representations, 4455 equals 1000101100111 in binary and 0x1167 in hexadecimal. Its decimal digit sum is 18, so it is not a Harshad number.

As a four-digit integer, 4455 may appear in numerical examples, catalog numbers, or as a year in fictional or future-dated contexts. It has no widely known mathematical constants or historical events specifically associated with it.