141005 has 4 divisors (see below), whose sum is σ = 169212. Its totient is φ = 112800.

The previous prime is 140989. The next prime is 141023. The reversal of 141005 is 500141.

141005 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, and also an emirpimes, since its reverse is a distinct semiprime: 500141 = 331 ⋅1511.

It can be written as a sum of positive squares in 2 ways, for example, as 72361 + 68644 = 269^2 + 262^2 .

It is not a de Polignac number, because 141005 - 2⁴ = 140989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14096 + ... + 14105.

It is an arithmetic number, because the mean of its divisors is an integer number (42303).

2¹⁴¹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

141005 is a deficient number, since it is larger than the sum of its proper divisors (28207).

141005 is an equidigital number, since it uses as much as digits as its factorization.

141005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28206.

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

The square root of 141005 is about 375.5063248469. The cubic root of 141005 is about 52.0488938545.

Adding to 141005 its reverse (500141), we get a palindrome (641146).

It can be divided in two parts, 14100 and 5, that multiplied together give a triangular number (70500 = T₃₇₅).

The spelling of 141005 in words is "one hundred forty-one thousand, five".