141681 has 8 divisors (see below), whose sum is σ = 191520. Its totient is φ = 93152.

The previous prime is 141679. The next prime is 141689. The reversal of 141681 is 186141.

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 141681 - 2¹ = 141679 is a prime.

It is a super-2 number, since 2×141681² = 40147011522, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 141681.

It is not an unprimeable number, because it can be changed into a prime (141689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36 + ... + 533.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2¹⁴¹⁶⁸¹ is an apocalyptic number.

It is an amenable number.

141681 is a deficient number, since it is larger than the sum of its proper divisors (49839).

141681 is an equidigital number, since it uses as much as digits as its factorization.

141681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

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

The square root of 141681 is about 376.4053665930. The cubic root of 141681 is about 52.1319381295.

The spelling of 141681 in words is "one hundred forty-one thousand, six hundred eighty-one".