245776128 has 144 divisors (see below), whose sum is σ = 714255360. Its totient is φ = 74575872.

The previous prime is 245776109. The next prime is 245776159. The reversal of 245776128 is 821677542.

It is a self number, because there is not a number n which added to its sum of digits gives 245776128.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1028233 + ... + 1028471.

Almost surely, 2^245776128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245776128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357127680).

245776128 is an abundant number, since it is smaller than the sum of its proper divisors (468479232).

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

245776128 is a wasteful number, since it uses less digits than its factorization.

245776128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 360 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 245776128 is about 15677.2487382193. The cubic root of 245776128 is about 626.3925243240.

The spelling of 245776128 in words is "two hundred forty-five million, seven hundred seventy-six thousand, one hundred twenty-eight".