245548220 has 48 divisors (see below), whose sum is σ = 536608800. Its totient is φ = 94268160.

The previous prime is 245548213. The next prime is 245548273. The reversal of 245548220 is 22845542.

245548220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103811 + ... + 106149.

It is an arithmetic number, because the mean of its divisors is an integer number (11179350).

Almost surely, 2^245548220 is an apocalyptic number.

245548220 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 245548220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268304400).

245548220 is an abundant number, since it is smaller than the sum of its proper divisors (291060580).

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

245548220 is a wasteful number, since it uses less digits than its factorization.

245548220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 245548220 is about 15669.9783024738. The cubic root of 245548220 is about 626.1988466896.

The spelling of 245548220 in words is "two hundred forty-five million, five hundred forty-eight thousand, two hundred twenty".