105680245 has 16 divisors (see below), whose sum is σ = 146484288. Its totient is φ = 72336640.

The previous prime is 105680233. The next prime is 105680273. The reversal of 105680245 is 542086501.

It is not a de Polignac number, because 105680245 - 2¹⁷ = 105549173 is a prime.

It is a super-2 number, since 2×105680245² = 22336628366520050, which contains 22 as substring.

It is a Duffinian number.

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, 55579 + ... + 57448.

It is an arithmetic number, because the mean of its divisors is an integer number (9155268).

Almost surely, 2^105680245 is an apocalyptic number.

It is an amenable number.

105680245 is a deficient number, since it is larger than the sum of its proper divisors (40804043).

105680245 is a wasteful number, since it uses less digits than its factorization.

105680245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113060.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 105680245 is about 10280.0897369624. The cubic root of 105680245 is about 472.7859955908.

The spelling of 105680245 in words is "one hundred five million, six hundred eighty thousand, two hundred forty-five".