141861 has 4 divisors (see below), whose sum is σ = 189152. Its totient is φ = 94572.

The previous prime is 141853. The next prime is 141863. The reversal of 141861 is 168141.

141861 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 141861 - 2³ = 141853 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141863) 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, 23641 + ... + 23646.

It is an arithmetic number, because the mean of its divisors is an integer number (47288).

2¹⁴¹⁸⁶¹ is an apocalyptic number.

It is an amenable number.

141861 is a deficient number, since it is larger than the sum of its proper divisors (47291).

141861 is an equidigital number, since it uses as much as digits as its factorization.

141861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47290.

The product of its digits is 192, while the sum is 21.

The square root of 141861 is about 376.6443946218. The cubic root of 141861 is about 52.1540059621.

The spelling of 141861 in words is "one hundred forty-one thousand, eight hundred sixty-one".