105303245 has 4 divisors (see below), whose sum is σ = 126363900. Its totient is φ = 84242592.

The previous prime is 105303241. The next prime is 105303271. The reversal of 105303245 is 542303501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16434916 + 88868329 = 4054^2 + 9427^2 .

It is a cyclic number.

It is not a de Polignac number, because 105303245 - 2² = 105303241 is a prime.

It is a super-2 number, since 2×105303245² = 22177546815060050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105303245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105303241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10530320 + ... + 10530329.

It is an arithmetic number, because the mean of its divisors is an integer number (31590975).

Almost surely, 2^105303245 is an apocalyptic number.

It is an amenable number.

105303245 is a deficient number, since it is larger than the sum of its proper divisors (21060655).

105303245 is an equidigital number, since it uses as much as digits as its factorization.

105303245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21060654.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 105303245 is about 10261.7369387448. The cubic root of 105303245 is about 472.2231256781.

Adding to 105303245 its reverse (542303501), we get a palindrome (647606746).

The spelling of 105303245 in words is "one hundred five million, three hundred three thousand, two hundred forty-five".