245004305 has 16 divisors (see below), whose sum is σ = 361853184. Its totient is φ = 155079360.

The previous prime is 245004301. The next prime is 245004307. The reversal of 245004305 is 503400542.

It is not a de Polignac number, because 245004305 - 2² = 245004301 is a prime.

245004305 is a modest number, since divided by 4305 gives 2450 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245004301) 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, 268781 + ... + 269690.

It is an arithmetic number, because the mean of its divisors is an integer number (22615824).

Almost surely, 2^245004305 is an apocalyptic number.

It is an amenable number.

245004305 is a deficient number, since it is larger than the sum of its proper divisors (116848879).

245004305 is a wasteful number, since it uses less digits than its factorization.

245004305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538496.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 245004305 is about 15652.6133600751. The cubic root of 245004305 is about 625.7361395506.

Adding to 245004305 its reverse (503400542), we get a palindrome (748404847).

The spelling of 245004305 in words is "two hundred forty-five million, four thousand, three hundred five".