245121052224 has 56 divisors (see below), whose sum is σ = 650841289120. Its totient is φ = 81418281984.

The previous prime is 245121052213. The next prime is 245121052243. The reversal of 245121052224 is 422250121542.

It is a junction number, because it is equal to n+sod(n) for n = 245121052191 and 245121052200.

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, 2201269 + ... + 2309940.

Almost surely, 2^245121052224 is an apocalyptic number.

245121052224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245121052224 is an abundant number, since it is smaller than the sum of its proper divisors (405720236896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245121052224 is a wasteful number, since it uses less digits than its factorization.

245121052224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511507 (or 4511497 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 245121052224 its reverse (422250121542), we get a palindrome (667371173766).

The spelling of 245121052224 in words is "two hundred forty-five billion, one hundred twenty-one million, fifty-two thousand, two hundred twenty-four".