143441 has 4 divisors (see below), whose sum is σ = 144384. Its totient is φ = 142500.

The previous prime is 143419. The next prime is 143443. The reversal of 143441 is 144341.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143441 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 (143443) 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, 185 + ... + 566.

It is an arithmetic number, because the mean of its divisors is an integer number (36096).

2¹⁴³⁴⁴¹ is an apocalyptic number.

It is an amenable number.

143441 is a deficient number, since it is larger than the sum of its proper divisors (943).

143441 is an equidigital number, since it uses as much as digits as its factorization.

143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its digits is 192, while the sum is 17.

The square root of 143441 is about 378.7360558489. The cubic root of 143441 is about 52.3469161150.

Adding to 143441 its reverse (144341), we get a palindrome (287782).

Subtracting 143441 from its reverse (144341), we obtain a square (900 = 30²).

The spelling of 143441 in words is "one hundred forty-three thousand, four hundred forty-one", and thus it is an iban number.