105200155 has 8 divisors (see below), whose sum is σ = 126476784. Its totient is φ = 84002400.

The previous prime is 105200149. The next prime is 105200159. The reversal of 105200155 is 551002501.

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

It is not a de Polignac number, because 105200155 - 2¹⁹ = 104675867 is a prime.

It is a super-2 number, since 2×105200155² = 22134145224048050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105200159) 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 7 ways as a sum of consecutive naturals, for example, 16741 + ... + 22150.

It is an arithmetic number, because the mean of its divisors is an integer number (15809598).

Almost surely, 2^105200155 is an apocalyptic number.

105200155 is a deficient number, since it is larger than the sum of its proper divisors (21276629).

105200155 is an equidigital number, since it uses as much as digits as its factorization.

105200155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39437.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 105200155 is about 10256.7126799965. The cubic root of 105200155 is about 472.0689760228.

Adding to 105200155 its reverse (551002501), we get a palindrome (656202656).

The spelling of 105200155 in words is "one hundred five million, two hundred thousand, one hundred fifty-five".