245342245 has 4 divisors (see below), whose sum is σ = 294410700. Its totient is φ = 196273792.

The previous prime is 245342191. The next prime is 245342261. The reversal of 245342245 is 542243542.

245342245 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 121198081 + 124144164 = 11009^2 + 11142^2 .

It is a cyclic number.

It is not a de Polignac number, because 245342245 - 2¹¹ = 245340197 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, 24534220 + ... + 24534229.

It is an arithmetic number, because the mean of its divisors is an integer number (73602675).

Almost surely, 2^245342245 is an apocalyptic number.

It is an amenable number.

245342245 is a deficient number, since it is larger than the sum of its proper divisors (49068455).

245342245 is an equidigital number, since it uses as much as digits as its factorization.

245342245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49068454.

The product of its digits is 38400, while the sum is 31.

The square root of 245342245 is about 15663.4046426695. The cubic root of 245342245 is about 626.0237047303.

Adding to 245342245 its reverse (542243542), we get a palindrome (787585787).

The spelling of 245342245 in words is "two hundred forty-five million, three hundred forty-two thousand, two hundred forty-five".