105770215 has 16 divisors (see below), whose sum is σ = 133341696. Its totient is φ = 80388000.

The previous prime is 105770179. The next prime is 105770219. The reversal of 105770215 is 512077501.

It is not a de Polignac number, because 105770215 - 2¹⁵ = 105737447 is a prime.

It is a super-2 number, since 2×105770215² = 22374676762292450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105770219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14320 + ... + 20410.

It is an arithmetic number, because the mean of its divisors is an integer number (8333856).

Almost surely, 2^105770215 is an apocalyptic number.

105770215 is a deficient number, since it is larger than the sum of its proper divisors (27571481).

105770215 is a wasteful number, since it uses less digits than its factorization.

105770215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 105770215 is about 10284.4647405687. The cubic root of 105770215 is about 472.9201250133.

The spelling of 105770215 in words is "one hundred five million, seven hundred seventy thousand, two hundred fifteen".