245827140 has 96 divisors (see below), whose sum is σ = 784909440. Its totient is φ = 56948736.

The previous prime is 245827129. The next prime is 245827163. The reversal of 245827140 is 41728542.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3991 + ... + 22529.

It is an arithmetic number, because the mean of its divisors is an integer number (8176140).

Almost surely, 2^245827140 is an apocalyptic number.

245827140 is a gapful number since it is divisible by the number (20) 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 245827140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392454720).

245827140 is an abundant number, since it is smaller than the sum of its proper divisors (539082300).

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

245827140 is a wasteful number, since it uses less digits than its factorization.

245827140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18581 (or 18579 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 245827140 is about 15678.8755974400. The cubic root of 245827140 is about 626.4358582383.

The spelling of 245827140 in words is "two hundred forty-five million, eight hundred twenty-seven thousand, one hundred forty".