202443 has 4 divisors (see below), whose sum is σ = 269928. Its totient is φ = 134960.

The previous prime is 202441. The next prime is 202471. The reversal of 202443 is 344202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202443 - 2¹ = 202441 is a prime.

It is a D-number.

202443 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 202443.

It is not an unprimeable number, because it can be changed into a prime (202441) 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, 33738 + ... + 33743.

It is an arithmetic number, because the mean of its divisors is an integer number (67482).

2²⁰²⁴⁴³ is an apocalyptic number.

202443 is a deficient number, since it is larger than the sum of its proper divisors (67485).

202443 is an equidigital number, since it uses as much as digits as its factorization.

202443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67484.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 202443 is about 449.9366622092. The cubic root of 202443 is about 58.7175042868.

Adding to 202443 its reverse (344202), we get a palindrome (546645).

The spelling of 202443 in words is "two hundred two thousand, four hundred forty-three", and thus it is an iban number.