202240143 has 24 divisors (see below), whose sum is σ = 353497248. Its totient is φ = 108767232.

The previous prime is 202240091. The next prime is 202240147. The reversal of 202240143 is 341042202.

202240143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202240143 - 2¹⁰ = 202239119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202240147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93346 + ... + 95487.

It is an arithmetic number, because the mean of its divisors is an integer number (14729052).

Almost surely, 2^202240143 is an apocalyptic number.

202240143 is a deficient number, since it is larger than the sum of its proper divisors (151257105).

202240143 is a wasteful number, since it uses less digits than its factorization.

202240143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188863 (or 188860 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 202240143 is about 14221.1160954406. The cubic root of 202240143 is about 586.9788520465.

Adding to 202240143 its reverse (341042202), we get a palindrome (543282345).

The spelling of 202240143 in words is "two hundred two million, two hundred forty thousand, one hundred forty-three".