10145 has 4 divisors (see below), whose sum is σ = 12180. Its totient is φ = 8112.

The previous prime is 10141. The next prime is 10151. The reversal of 10145 is 54101.

10145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7744 + 2401 = 88^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 10145 - 2² = 10141 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10141) 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 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 1019.

It is an arithmetic number, because the mean of its divisors is an integer number (3045).

2¹⁰¹⁴⁵ is an apocalyptic number.

It is an amenable number.

10145 is a deficient number, since it is larger than the sum of its proper divisors (2035).

10145 is an equidigital number, since it uses as much as digits as its factorization.

10145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 10145 is about 100.7223907580. The cubic root of 10145 is about 21.6479786260.

Adding to 10145 its reverse (54101), we get a palindrome (64246).

Subtracting 10145 from its reverse (54101), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 10145 in words is "ten thousand, one hundred forty-five".