245030221232251 has 16 divisors (see below), whose sum is σ = 301583176925184. Its totient is φ = 193865230849824.

The previous prime is 245030221232233. The next prime is 245030221232257. The reversal of 245030221232251 is 152232122030542.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245030221232251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245030221232257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29899915 + ... + 37203028.

It is an arithmetic number, because the mean of its divisors is an integer number (18848948557824).

Almost surely, 2^{245030221232251} is an apocalyptic number.

245030221232251 is a deficient number, since it is larger than the sum of its proper divisors (56552955692933).

245030221232251 is a wasteful number, since it uses less digits than its factorization.

245030221232251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67143090.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 245030221232251 its reverse (152232122030542), we get a palindrome (397262343262793).

The spelling of 245030221232251 in words is "two hundred forty-five trillion, thirty billion, two hundred twenty-one million, two hundred thirty-two thousand, two hundred fifty-one".