245233225015 has 4 divisors (see below), whose sum is σ = 294279870024. Its totient is φ = 196186580008.

The previous prime is 245233224989. The next prime is 245233225057. The reversal of 245233225015 is 510522332542.

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

It is a cyclic number.

It is not a de Polignac number, because 245233225015 - 2⁹ = 245233224503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24523322497 + ... + 24523322506.

It is an arithmetic number, because the mean of its divisors is an integer number (73569967506).

Almost surely, 2^245233225015 is an apocalyptic number.

245233225015 is a deficient number, since it is larger than the sum of its proper divisors (49046645009).

245233225015 is an equidigital number, since it uses as much as digits as its factorization.

245233225015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49046645008.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 245233225015 its reverse (510522332542), we get a palindrome (755755557557).

The spelling of 245233225015 in words is "two hundred forty-five billion, two hundred thirty-three million, two hundred twenty-five thousand, fifteen".