105245 has 16 divisors (see below), whose sum is σ = 150528. Its totient is φ = 69120.

The previous prime is 105239. The next prime is 105251. The reversal of 105245 is 542501.

It is an interprime number because it is at equal distance from previous prime (105239) and next prime (105251).

It is not a de Polignac number, because 105245 - 2⁴ = 105229 is a prime.

It is a super-2 number, since 2×105245² = 22153020050, which contains 22 as substring.

It is a Curzon 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, 1037 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (9408).

2¹⁰⁵²⁴⁵ is an apocalyptic number.

It is an amenable number.

105245 is a deficient number, since it is larger than the sum of its proper divisors (45283).

105245 is an equidigital number, since it uses as much as digits as its factorization.

105245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 105245 is about 324.4148578595. The cubic root of 105245 is about 47.2136044764.

Adding to 105245 its reverse (542501), we get a palindrome (647746).

The spelling of 105245 in words is "one hundred five thousand, two hundred forty-five".