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14445 = 335107
BaseRepresentation
bin11100001101101
3201211000
43201231
5430240
6150513
760054
oct34155
921730
1014445
11a942
128439
136762
14539b
154430
hex386d

14445 has 16 divisors (see below), whose sum is σ = 25920. Its totient is φ = 7632.

The previous prime is 14437. The next prime is 14447. The reversal of 14445 is 54441.

It is not a de Polignac number, because 14445 - 23 = 14437 is a prime.

It is a plaindrome in base 10.

It is a nialpdrome in base 11 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82 + ... + 188.

It is an arithmetic number, because the mean of its divisors is an integer number (1620).

214445 is an apocalyptic number.

14445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14445 is a deficient number, since it is larger than the sum of its proper divisors (11475).

14445 is a wasteful number, since it uses less digits than its factorization.

14445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 115 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 14445 is about 120.1873537441. The cubic root of 14445 is about 24.3541241379.

Adding to 14445 its reverse (54441), we get a palindrome (68886).

The spelling of 14445 in words is "fourteen thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 27 45 107 135 321 535 963 1605 2889 4815 14445