245041032305 has 4 divisors (see below), whose sum is σ = 294049238772. Its totient is φ = 196032825840.

The previous prime is 245041032289. The next prime is 245041032319. The reversal of 245041032305 is 503230140542.

It is a happy number.

245041032305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96315881104 + 148725151201 = 310348^2 + 385649^2 .

It is not a de Polignac number, because 245041032305 - 2⁴ = 245041032289 is a prime.

It is a super-2 number, since 2×245041032305² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24504103226 + ... + 24504103235.

It is an arithmetic number, because the mean of its divisors is an integer number (73512309693).

Almost surely, 2^245041032305 is an apocalyptic number.

It is an amenable number.

245041032305 is a deficient number, since it is larger than the sum of its proper divisors (49008206467).

245041032305 is an equidigital number, since it uses as much as digits as its factorization.

245041032305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49008206466.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 245041032305 its reverse (503230140542), we get a palindrome (748271172847).

The spelling of 245041032305 in words is "two hundred forty-five billion, forty-one million, thirty-two thousand, three hundred five".