141811 has 2 divisors, whose sum is σ = 141812. Its totient is φ = 141810.

The previous prime is 141803. The next prime is 141829. The reversal of 141811 is 118141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141811 - 2³ = 141803 is a prime.

It is a super-2 number, since 2×141811² = 40220719442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70905 + 70906.

It is an arithmetic number, because the mean of its divisors is an integer number (70906).

2¹⁴¹⁸¹¹ is an apocalyptic number.

141811 is a deficient number, since it is larger than the sum of its proper divisors (1).

141811 is an equidigital number, since it uses as much as digits as its factorization.

141811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 16.

The square root of 141811 is about 376.5780131659. The cubic root of 141811 is about 52.1478778820.

Adding to 141811 its reverse (118141), we get a palindrome (259952).

The spelling of 141811 in words is "one hundred forty-one thousand, eight hundred eleven".