26145 has 24 divisors (see below), whose sum is σ = 52416. Its totient is φ = 11808.

The previous prime is 26141. The next prime is 26153. The reversal of 26145 is 54162.

It is a happy number.

26145 is an admirable number.

It is not a de Polignac number, because 26145 - 2² = 26141 is a prime.

It is a super-2 number, since 2×26145² = 1367122050, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 13 and base 16.

It is not an unprimeable number, because it can be changed into a prime (26141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274 + ... + 356.

It is an arithmetic number, because the mean of its divisors is an integer number (2184).

2²⁶¹⁴⁵ is an apocalyptic number.

It is an amenable number.

26145 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26208).

26145 is a wasteful number, since it uses less digits than its factorization.

26145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 98 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 26145 is about 161.6941557385. The cubic root of 26145 is about 29.6799306649.

It can be divided in two parts, 26 and 145, that added together give a palindrome (171).

The spelling of 26145 in words is "twenty-six thousand, one hundred forty-five".