105145206 has 8 divisors (see below), whose sum is σ = 210290424. Its totient is φ = 35048400.

The previous prime is 105145199. The next prime is 105145217. The reversal of 105145206 is 602541501.

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

105145206 is an admirable number.

It is a super-2 number, since 2×105145206² = 22111028689564872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 8762095 + ... + 8762106.

It is an arithmetic number, because the mean of its divisors is an integer number (26286303).

Almost surely, 2^105145206 is an apocalyptic number.

105145206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105145206 is a wasteful number, since it uses less digits than its factorization.

105145206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17524206.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 105145206 is about 10254.0336453515. The cubic root of 105145206 is about 471.9867700735.

Adding to 105145206 its reverse (602541501), we get a palindrome (707686707).

The spelling of 105145206 in words is "one hundred five million, one hundred forty-five thousand, two hundred six".