14145 has 16 divisors (see below), whose sum is σ = 24192. Its totient is φ = 7040.

The previous prime is 14143. The next prime is 14149. The reversal of 14145 is 54141.

14145 = 33² + 34² + ... + 42².

14145 is nontrivially palindromic in base 14.

14145 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14145 - 2¹ = 14143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (14143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325 + ... + 365.

It is an arithmetic number, because the mean of its divisors is an integer number (1512).

2¹⁴¹⁴⁵ is an apocalyptic number.

14145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14145 is the 69-th octagonal number.

It is an amenable number.

14145 is a deficient number, since it is larger than the sum of its proper divisors (10047).

14145 is a wasteful number, since it uses less digits than its factorization.

14145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72.

The product of its digits is 80, while the sum is 15.

The square root of 14145 is about 118.9327541092. The cubic root of 14145 is about 24.1843443125.

Adding to 14145 its reverse (54141), we get a palindrome (68286).

The spelling of 14145 in words is "fourteen thousand, one hundred forty-five".