245129648 has 20 divisors (see below), whose sum is σ = 490260288. Its totient is φ = 118610880.

The previous prime is 245129629. The next prime is 245129671. The reversal of 245129648 is 846921542.

245129648 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246611 + ... + 247602.

Almost surely, 2^245129648 is an apocalyptic number.

It is an amenable number.

245129648 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

245129648 is a wasteful number, since it uses less digits than its factorization.

245129648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494252 (or 494246 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 245129648 is about 15656.6167481995. The cubic root of 245129648 is about 625.8428292047.

The spelling of 245129648 in words is "two hundred forty-five million, one hundred twenty-nine thousand, six hundred forty-eight".