141857 has 4 divisors (see below), whose sum is σ = 145200. Its totient is φ = 138516.

The previous prime is 141853. The next prime is 141863. The reversal of 141857 is 758141.

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 a cyclic number.

It is not a de Polignac number, because 141857 - 2² = 141853 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (141851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607 + ... + 1692.

It is an arithmetic number, because the mean of its divisors is an integer number (36300).

2¹⁴¹⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

141857 is a deficient number, since it is larger than the sum of its proper divisors (3343).

141857 is an equidigital number, since it uses as much as digits as its factorization.

141857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its digits is 1120, while the sum is 26.

The square root of 141857 is about 376.6390845358. The cubic root of 141857 is about 52.1535157687.

Adding to 141857 its reverse (758141), we get a palindrome (899998).

The spelling of 141857 in words is "one hundred forty-one thousand, eight hundred fifty-seven".