245528845 has 4 divisors (see below), whose sum is σ = 294634620. Its totient is φ = 196423072.

The previous prime is 245528821. The next prime is 245528851. The reversal of 245528845 is 548825542.

245528845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 30437289 + 215091556 = 5517^2 + 14666^2 .

It is a cyclic number.

It is not a de Polignac number, because 245528845 - 2⁵ = 245528813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24552880 + ... + 24552889.

It is an arithmetic number, because the mean of its divisors is an integer number (73658655).

Almost surely, 2^245528845 is an apocalyptic number.

It is an amenable number.

245528845 is a deficient number, since it is larger than the sum of its proper divisors (49105775).

245528845 is an equidigital number, since it uses as much as digits as its factorization.

245528845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49105774.

The product of its digits is 512000, while the sum is 43.

The square root of 245528845 is about 15669.3600698944. The cubic root of 245528845 is about 626.1823761680.

The spelling of 245528845 in words is "two hundred forty-five million, five hundred twenty-eight thousand, eight hundred forty-five".