245522345 has 8 divisors (see below), whose sum is σ = 295677000. Its totient is φ = 195717760.

The previous prime is 245522327. The next prime is 245522353. The reversal of 245522345 is 543225542.

It can be written as a sum of positive squares in 4 ways, for example, as 124456336 + 121066009 = 11156^2 + 11003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245522345 - 2¹⁰ = 245521321 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85970 + ... + 88779.

It is an arithmetic number, because the mean of its divisors is an integer number (36959625).

Almost surely, 2^245522345 is an apocalyptic number.

It is an amenable number.

245522345 is a deficient number, since it is larger than the sum of its proper divisors (50154655).

245522345 is a wasteful number, since it uses less digits than its factorization.

245522345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175035.

The product of its digits is 48000, while the sum is 32.

The square root of 245522345 is about 15669.1526573711. The cubic root of 245522345 is about 626.1768503796.

Adding to 245522345 its reverse (543225542), we get a palindrome (788747887).

The spelling of 245522345 in words is "two hundred forty-five million, five hundred twenty-two thousand, three hundred forty-five".