245578648 has 32 divisors (see below), whose sum is σ = 553939200. Its totient is φ = 99708192.

The previous prime is 245578637. The next prime is 245578649. The reversal of 245578648 is 846875542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245578649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114340 + ... + 116467.

It is an arithmetic number, because the mean of its divisors is an integer number (17310600).

Almost surely, 2^245578648 is an apocalyptic number.

245578648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

245578648 is an abundant number, since it is smaller than the sum of its proper divisors (308360552).

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

245578648 is a wasteful number, since it uses less digits than its factorization.

245578648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230839 (or 230835 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 49.

The square root of 245578648 is about 15670.9491735504. The cubic root of 245578648 is about 626.2247115232.

The spelling of 245578648 in words is "two hundred forty-five million, five hundred seventy-eight thousand, six hundred forty-eight".