245299824 has 120 divisors (see below), whose sum is σ = 855933312. Its totient is φ = 63711360.

The previous prime is 245299799. The next prime is 245299867. The reversal of 245299824 is 428992542.

It is a self number, because there is not a number n which added to its sum of digits gives 245299824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27 + ... + 22149.

Almost surely, 2^245299824 is an apocalyptic number.

245299824 is a gapful number since it is divisible by the number (24) 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 245299824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427966656).

245299824 is an abundant number, since it is smaller than the sum of its proper divisors (610633488).

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

245299824 is a wasteful number, since it uses less digits than its factorization.

245299824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22155 (or 22146 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 245299824 is about 15662.0504404755. The cubic root of 245299824 is about 625.9876216901.

The spelling of 245299824 in words is "two hundred forty-five million, two hundred ninety-nine thousand, eight hundred twenty-four".