201255143 has 2 divisors, whose sum is σ = 201255144. Its totient is φ = 201255142.

The previous prime is 201255139. The next prime is 201255149. The reversal of 201255143 is 341552102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201255143 - 2² = 201255139 is a prime.

It is a Sophie Germain prime.

It is equal to p_11144651 and since 201255143 and 11144651 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201255149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100627571 + 100627572.

It is an arithmetic number, because the mean of its divisors is an integer number (100627572).

Almost surely, 2^201255143 is an apocalyptic number.

201255143 is a deficient number, since it is larger than the sum of its proper divisors (1).

201255143 is an equidigital number, since it uses as much as digits as its factorization.

201255143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 201255143 is about 14186.4422248850. The cubic root of 201255143 is about 586.0243508540.

The spelling of 201255143 in words is "two hundred one million, two hundred fifty-five thousand, one hundred forty-three".