245563648 has 144 divisors (see below), whose sum is σ = 576898560. Its totient is φ = 103219200.

The previous prime is 245563631. The next prime is 245563651. The reversal of 245563648 is 846365542.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2531536 + ... + 2531632.

It is an arithmetic number, because the mean of its divisors is an integer number (4006240).

Almost surely, 2^245563648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245563648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288449280).

245563648 is an abundant number, since it is smaller than the sum of its proper divisors (331334912).

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

245563648 is a wasteful number, since it uses less digits than its factorization.

245563648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 170 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The square root of 245563648 is about 15670.4705736618. The cubic root of 245563648 is about 626.2119612807.

The spelling of 245563648 in words is "two hundred forty-five million, five hundred sixty-three thousand, six hundred forty-eight".