105843143858 has 8 divisors (see below), whose sum is σ = 167120753520. Its totient is φ = 50136226020.

The previous prime is 105843143851. The next prime is 105843143873. The reversal of 105843143858 is 858341348501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105843143858² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105843143851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392672908 + ... + 1392672983.

It is an arithmetic number, because the mean of its divisors is an integer number (20890094190).

Almost surely, 2^105843143858 is an apocalyptic number.

105843143858 is a deficient number, since it is larger than the sum of its proper divisors (61277609662).

105843143858 is a wasteful number, since it uses less digits than its factorization.

105843143858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785345912.

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 105843143858 in words is "one hundred five billion, eight hundred forty-three million, one hundred forty-three thousand, eight hundred fifty-eight".