245424345 has 16 divisors (see below), whose sum is σ = 392999040. Its totient is φ = 130786304.

The previous prime is 245424341. The next prime is 245424371. The reversal of 245424345 is 543424542.

It is a cyclic number.

It is not a de Polignac number, because 245424345 - 2² = 245424341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245424341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14521 + ... + 26489.

It is an arithmetic number, because the mean of its divisors is an integer number (24562440).

Almost surely, 2^245424345 is an apocalyptic number.

It is an amenable number.

245424345 is a deficient number, since it is larger than the sum of its proper divisors (147574695).

245424345 is a wasteful number, since it uses less digits than its factorization.

245424345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13344.

The product of its digits is 76800, while the sum is 33.

The square root of 245424345 is about 15666.0251819024. The cubic root of 245424345 is about 626.0935266699.

Adding to 245424345 its reverse (543424542), we get a palindrome (788848887).

The spelling of 245424345 in words is "two hundred forty-five million, four hundred twenty-four thousand, three hundred forty-five".