245606636 has 12 divisors (see below), whose sum is σ = 468885480. Its totient is φ = 111639360.

The previous prime is 245606617. The next prime is 245606651. The reversal of 245606636 is 636606542.

It is a self number, because there is not a number n which added to its sum of digits gives 245606636.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2790941 + ... + 2791028.

It is an arithmetic number, because the mean of its divisors is an integer number (39073790).

Almost surely, 2^245606636 is an apocalyptic number.

It is an amenable number.

245606636 is a deficient number, since it is larger than the sum of its proper divisors (223278844).

245606636 is a wasteful number, since it uses less digits than its factorization.

245606636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581984 (or 5581982 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 245606636 is about 15671.8421380513. The cubic root of 245606636 is about 626.2485003875.

The spelling of 245606636 in words is "two hundred forty-five million, six hundred six thousand, six hundred thirty-six".