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14945 = 57261
BaseRepresentation
bin11101001100001
3202111112
43221201
5434240
6153105
761400
oct35141
922445
1014945
1110257
128795
136a58
145637
154665
hex3a61

14945 has 12 divisors (see below), whose sum is σ = 21204. Its totient is φ = 10080.

The previous prime is 14939. The next prime is 14947. The reversal of 14945 is 54941.

It is a happy number.

14945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2401 + 12544 = 49^2 + 112^2 .

It is not a de Polignac number, because 14945 - 24 = 14929 is a prime.

It is an Ulam number.

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

It is a Duffinian number.

Its product of digits (720) is a multiple of the sum of its prime factors (80).

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 14945.

It is not an unprimeable number, because it can be changed into a prime (14947) 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 11 ways as a sum of consecutive naturals, for example, 215 + ... + 275.

It is an arithmetic number, because the mean of its divisors is an integer number (1767).

214945 is an apocalyptic number.

It is an amenable number.

14945 is a deficient number, since it is larger than the sum of its proper divisors (6259).

14945 is an equidigital number, since it uses as much as digits as its factorization.

14945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 73 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 14945 is about 122.2497443760. The cubic root of 14945 is about 24.6319412351.

It can be divided in two parts, 14 and 945, that added together give a palindrome (959).

The spelling of 14945 in words is "fourteen thousand, nine hundred forty-five".

Divisors: 1 5 7 35 49 61 245 305 427 2135 2989 14945