245304345 has 96 divisors (see below), whose sum is σ = 489093120. Its totient is φ = 103783680.

The previous prime is 245304337. The next prime is 245304349. The reversal of 245304345 is 543403542.

245304345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245304345 - 2³ = 245304337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245304349) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 529584 + ... + 530046.

It is an arithmetic number, because the mean of its divisors is an integer number (5094720).

Almost surely, 2^245304345 is an apocalyptic number.

It is an amenable number.

245304345 is a deficient number, since it is larger than the sum of its proper divisors (243788775).

245304345 is a wasteful number, since it uses less digits than its factorization.

245304345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 245304345 is about 15662.1947695717. The cubic root of 245304345 is about 625.9914674228.

Adding to 245304345 its reverse (543403542), we get a palindrome (788707887).

It can be divided in two parts, 245 and 304345, that added together give a triangular number (304590 = T₇₈₀).

The spelling of 245304345 in words is "two hundred forty-five million, three hundred four thousand, three hundred forty-five".