143841 has 4 divisors (see below), whose sum is σ = 191792. Its totient is φ = 95892.

The previous prime is 143833. The next prime is 143873. The reversal of 143841 is 148341.

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 143841 - 2³ = 143833 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143821) 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, 23971 + ... + 23976.

It is an arithmetic number, because the mean of its divisors is an integer number (47948).

2¹⁴³⁸⁴¹ is an apocalyptic number.

It is an amenable number.

143841 is a deficient number, since it is larger than the sum of its proper divisors (47951).

143841 is an equidigital number, since it uses as much as digits as its factorization.

143841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47950.

The product of its digits is 384, while the sum is 21.

The square root of 143841 is about 379.2637604623. The cubic root of 143841 is about 52.3955292109.

The spelling of 143841 in words is "one hundred forty-three thousand, eight hundred forty-one".