245308128 has 48 divisors (see below), whose sum is σ = 693470736. Its totient is φ = 75479040.

The previous prime is 245308123. The next prime is 245308157. The reversal of 245308128 is 821803542.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245308123) 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, 97033 + ... + 99528.

It is an arithmetic number, because the mean of its divisors is an integer number (14447307).

Almost surely, 2^245308128 is an apocalyptic number.

It is an amenable number.

245308128 is an abundant number, since it is smaller than the sum of its proper divisors (448162608).

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

245308128 is a wasteful number, since it uses less digits than its factorization.

245308128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196587 (or 196579 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 245308128 is about 15662.3155376209. The cubic root of 245308128 is about 625.9946853486.

The spelling of 245308128 in words is "two hundred forty-five million, three hundred eight thousand, one hundred twenty-eight".