202401143 has 4 divisors (see below), whose sum is σ = 231315600. Its totient is φ = 173486688.

The previous prime is 202401131. The next prime is 202401151. The reversal of 202401143 is 341104202.

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 202401143 - 2²⁴ = 185623927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202401113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14457218 + ... + 14457231.

It is an arithmetic number, because the mean of its divisors is an integer number (57828900).

Almost surely, 2^202401143 is an apocalyptic number.

202401143 is a deficient number, since it is larger than the sum of its proper divisors (28914457).

202401143 is an equidigital number, since it uses as much as digits as its factorization.

202401143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28914456.

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

The square root of 202401143 is about 14226.7755658125. The cubic root of 202401143 is about 587.1345720852.

Adding to 202401143 its reverse (341104202), we get a palindrome (543505345).

The spelling of 202401143 in words is "two hundred two million, four hundred one thousand, one hundred forty-three".