245072828 has 96 divisors (see below), whose sum is σ = 582693888. Its totient is φ = 87091200.

The previous prime is 245072827. The next prime is 245072837. The reversal of 245072828 is 828270542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245072791 and 245072800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245072827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388073 + ... + 388703.

It is an arithmetic number, because the mean of its divisors is an integer number (6069728).

Almost surely, 2^245072828 is an apocalyptic number.

245072828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245072828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291346944).

245072828 is an abundant number, since it is smaller than the sum of its proper divisors (337621060).

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

245072828 is a wasteful number, since it uses less digits than its factorization.

245072828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 245072828 is about 15654.8020747629. The cubic root of 245072828 is about 625.7944695744.

The spelling of 245072828 in words is "two hundred forty-five million, seventy-two thousand, eight hundred twenty-eight".