245017128 has 16 divisors (see below), whose sum is σ = 612542880. Its totient is φ = 81672368.

The previous prime is 245017099. The next prime is 245017133. The reversal of 245017128 is 821710542.

It is a junction number, because it is equal to n+sod(n) for n = 245017095 and 245017104.

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, 5104500 + ... + 5104547.

It is an arithmetic number, because the mean of its divisors is an integer number (38283930).

Almost surely, 2^245017128 is an apocalyptic number.

It is an amenable number.

245017128 is an abundant number, since it is smaller than the sum of its proper divisors (367525752).

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

245017128 is a wasteful number, since it uses less digits than its factorization.

245017128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10209056 (or 10209052 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 245017128 is about 15653.0229668266. The cubic root of 245017128 is about 625.7470559228.

The spelling of 245017128 in words is "two hundred forty-five million, seventeen thousand, one hundred twenty-eight".