245543124 has 48 divisors (see below), whose sum is σ = 603211392. Its totient is φ = 77586432.

The previous prime is 245543113. The next prime is 245543153. The reversal of 245543124 is 421345542.

245543124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245543091 and 245543100.

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 15 ways as a sum of consecutive naturals, for example, 27252 + ... + 35124.

It is an arithmetic number, because the mean of its divisors is an integer number (12566904).

Almost surely, 2^245543124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245543124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301605696).

245543124 is an abundant number, since it is smaller than the sum of its proper divisors (357668268).

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

245543124 is a wasteful number, since it uses less digits than its factorization.

245543124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016 (or 8014 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 245543124 is about 15669.8156977037. The cubic root of 245543124 is about 626.1945147076.

Adding to 245543124 its reverse (421345542), we get a palindrome (666888666).

The spelling of 245543124 in words is "two hundred forty-five million, five hundred forty-three thousand, one hundred twenty-four".