141865 has 8 divisors (see below), whose sum is σ = 180360. Its totient is φ = 106752.

The previous prime is 141863. The next prime is 141871. The reversal of 141865 is 568141.

It can be written as a sum of positive squares in 4 ways, for example, as 30976 + 110889 = 176^2 + 333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141865 - 2¹ = 141863 is a prime.

141865 is a lucky 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 7 ways as a sum of consecutive naturals, for example, 750 + ... + 919.

It is an arithmetic number, because the mean of its divisors is an integer number (22545).

2¹⁴¹⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

141865 is a deficient number, since it is larger than the sum of its proper divisors (38495).

141865 is a wasteful number, since it uses less digits than its factorization.

141865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 960, while the sum is 25.

The square root of 141865 is about 376.6497046328. The cubic root of 141865 is about 52.1544961463.

The spelling of 141865 in words is "one hundred forty-one thousand, eight hundred sixty-five".