245049120 has 144 divisors (see below), whose sum is σ = 842063040. Its totient is φ = 64891392.

The previous prime is 245049109. The next prime is 245049143. The reversal of 245049120 is 21940542.

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 239971 + ... + 240989.

It is an arithmetic number, because the mean of its divisors is an integer number (5847660).

Almost surely, 2^245049120 is an apocalyptic number.

245049120 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 245049120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421031520).

245049120 is an abundant number, since it is smaller than the sum of its proper divisors (597013920).

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

245049120 is a wasteful number, since it uses less digits than its factorization.

245049120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 245049120 is about 15654.0448447039. The cubic root of 245049120 is about 625.7742894319.

Adding to 245049120 its reverse (21940542), we get a palindrome (266989662).

The spelling of 245049120 in words is "two hundred forty-five million, forty-nine thousand, one hundred twenty".