130145 has 4 divisors (see below), whose sum is σ = 156180. Its totient is φ = 104112.

The previous prime is 130127. The next prime is 130147. The reversal of 130145 is 541031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541031 = 89 ⋅6079.

It can be written as a sum of positive squares in 2 ways, for example, as 21904 + 108241 = 148^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 130145 - 2¹⁰ = 129121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13010 + ... + 13019.

It is an arithmetic number, because the mean of its divisors is an integer number (39045).

2¹³⁰¹⁴⁵ is an apocalyptic number.

It is an amenable number.

130145 is a deficient number, since it is larger than the sum of its proper divisors (26035).

130145 is an equidigital number, since it uses as much as digits as its factorization.

130145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26034.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 130145 is about 360.7561503287. The cubic root of 130145 is about 50.6767975664.

Adding to 130145 its reverse (541031), we get a palindrome (671176).

The spelling of 130145 in words is "one hundred thirty thousand, one hundred forty-five".