245147022050 has 90 divisors (see below), whose sum is σ = 532309891203. Its totient is φ = 83991589920.

The previous prime is 245147022047. The next prime is 245147022077. The reversal of 245147022050 is 50220741542.

It can be written as a sum of positive squares in 5 ways, for example, as 3556094689 + 241590927361 = 59633^2 + 491519^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=350105.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245147021998 and 245147022016.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 171550736 + ... + 171552164.

Almost surely, 2^245147022050 is an apocalyptic number.

245147022050 is an abundant number, since it is smaller than the sum of its proper divisors (287162869153).

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

245147022050 is an frugal number, since it uses more digits than its factorization.

245147022050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

Multiplying 245147022050 by its sum of digits (32), we get a square (7844704705600 = 2800840²).

Adding to 245147022050 its reverse (50220741542), we get a palindrome (295367763592).

The spelling of 245147022050 in words is "two hundred forty-five billion, one hundred forty-seven million, twenty-two thousand, fifty".