256143113 has 8 divisors (see below), whose sum is σ = 262743936. Its totient is φ = 249559200.

The previous prime is 256143103. The next prime is 256143163. The reversal of 256143113 is 311341652.

256143113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 256143113 - 2²⁴ = 239365897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256143103) 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, 29948 + ... + 37538.

It is an arithmetic number, because the mean of its divisors is an integer number (32842992).

Almost surely, 2^256143113 is an apocalyptic number.

It is an amenable number.

256143113 is a deficient number, since it is larger than the sum of its proper divisors (6600823).

256143113 is an equidigital number, since it uses as much as digits as its factorization.

256143113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455.

The product of its digits is 2160, while the sum is 26.

The square root of 256143113 is about 16004.4716563840. The cubic root of 256143113 is about 635.0787204781.

Adding to 256143113 its reverse (311341652), we get a palindrome (567484765).

The spelling of 256143113 in words is "two hundred fifty-six million, one hundred forty-three thousand, one hundred thirteen".