245609648 has 20 divisors (see below), whose sum is σ = 476111640. Its totient is φ = 122742144.

The previous prime is 245609647. The next prime is 245609711. The reversal of 245609648 is 846906542.

245609648 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 245609599 and 245609608.

It is not an unprimeable number, because it can be changed into a prime (245609647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60548 + ... + 64476.

It is an arithmetic number, because the mean of its divisors is an integer number (23805582).

Almost surely, 2^245609648 is an apocalyptic number.

It is an amenable number.

245609648 is a deficient number, since it is larger than the sum of its proper divisors (230501992).

245609648 is a wasteful number, since it uses less digits than its factorization.

245609648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7844 (or 7838 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 245609648 is about 15671.9382336710. The cubic root of 245609648 is about 626.2510603791.

The spelling of 245609648 in words is "two hundred forty-five million, six hundred nine thousand, six hundred forty-eight".