202443143 has 8 divisors (see below), whose sum is σ = 231525888. Its totient is φ = 173400984.

The previous prime is 202443127. The next prime is 202443151. The reversal of 202443143 is 341344202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202443143 - 2⁴ = 202443127 is a prime.

It is a super-2 number, since 2×202443143² = 81966452295436898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202443443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 20172.

It is an arithmetic number, because the mean of its divisors is an integer number (28940736).

Almost surely, 2^202443143 is an apocalyptic number.

202443143 is a deficient number, since it is larger than the sum of its proper divisors (29082745).

202443143 is a wasteful number, since it uses less digits than its factorization.

202443143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20293.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 202443143 is about 14228.2515791646. The cubic root of 202443143 is about 587.1751811222.

Adding to 202443143 its reverse (341344202), we get a palindrome (543787345).

The spelling of 202443143 in words is "two hundred two million, four hundred forty-three thousand, one hundred forty-three".