105340215 has 16 divisors (see below), whose sum is σ = 170919936. Its totient is φ = 55389600.

The previous prime is 105340181. The next prime is 105340223. The reversal of 105340215 is 512043501.

It is not a de Polignac number, because 105340215 - 2⁷ = 105340087 is a prime.

It is a super-2 number, since 2×105340215² = 22193121792492450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105340191 and 105340200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48391 + ... + 50520.

It is an arithmetic number, because the mean of its divisors is an integer number (10682496).

Almost surely, 2^105340215 is an apocalyptic number.

105340215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105340215 is a deficient number, since it is larger than the sum of its proper divisors (65579721).

105340215 is an equidigital number, since it uses as much as digits as its factorization.

105340215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98990.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 105340215 is about 10263.5381326324. The cubic root of 105340215 is about 472.2783821149.

Adding to 105340215 its reverse (512043501), we get a palindrome (617383716).

The spelling of 105340215 in words is "one hundred five million, three hundred forty thousand, two hundred fifteen".