245652345 has 24 divisors (see below), whose sum is σ = 441569856. Its totient is φ = 131013936.

The previous prime is 245652343. The next prime is 245652377. The reversal of 245652345 is 543256542.

It is not a de Polignac number, because 245652345 - 2¹ = 245652343 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245652343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99877 + ... + 102306.

It is an arithmetic number, because the mean of its divisors is an integer number (18398744).

Almost surely, 2^245652345 is an apocalyptic number.

It is an amenable number.

245652345 is a deficient number, since it is larger than the sum of its proper divisors (195917511).

245652345 is an equidigital number, since it uses as much as digits as its factorization.

245652345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202203 (or 202191 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 245652345 is about 15673.3003863258. The cubic root of 245652345 is about 626.2873476239.

The spelling of 245652345 in words is "two hundred forty-five million, six hundred fifty-two thousand, three hundred forty-five".