208241143 has 16 divisors (see below), whose sum is σ = 247044384. Its totient is φ = 173352960.

The previous prime is 208241113. The next prime is 208241203. The reversal of 208241143 is 341142802.

It is a de Polignac number, because none of the positive numbers 2^k-208241143 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 (208241113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8130 + ... + 21967.

It is an arithmetic number, because the mean of its divisors is an integer number (15440274).

Almost surely, 2^208241143 is an apocalyptic number.

208241143 is a deficient number, since it is larger than the sum of its proper divisors (38803241).

208241143 is a wasteful number, since it uses less digits than its factorization.

208241143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30162.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 208241143 is about 14430.5628095373. The cubic root of 208241143 is about 592.7280948658.

Adding to 208241143 its reverse (341142802), we get a palindrome (549383945).

The spelling of 208241143 in words is "two hundred eight million, two hundred forty-one thousand, one hundred forty-three".