105156206 has 8 divisors (see below), whose sum is σ = 157778280. Its totient is φ = 52563448.

The previous prime is 105156197. The next prime is 105156209. The reversal of 105156206 is 602651501.

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

It is a super-2 number, since 2×105156206² = 22115655320628872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105156209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8345 + ... + 16731.

It is an arithmetic number, because the mean of its divisors is an integer number (19722285).

Almost surely, 2^105156206 is an apocalyptic number.

105156206 is a deficient number, since it is larger than the sum of its proper divisors (52622074).

105156206 is an equidigital number, since it uses as much as digits as its factorization.

105156206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14658.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 105156206 is about 10254.5700056121. The cubic root of 105156206 is about 472.0032288154.

The spelling of 105156206 in words is "one hundred five million, one hundred fifty-six thousand, two hundred six".