245720024 has 48 divisors (see below), whose sum is σ = 508661160. Its totient is φ = 111196800.

The previous prime is 245719979. The next prime is 245720047. The reversal of 245720024 is 420027542.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 245719975 and 245720002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302579 + ... + 303389.

Almost surely, 2^245720024 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 245720024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254330580).

245720024 is an abundant number, since it is smaller than the sum of its proper divisors (262941136).

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

245720024 is a wasteful number, since it uses less digits than its factorization.

245720024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 245720024 is about 15675.4592915168. The cubic root of 245720024 is about 626.3448579092.

Adding to 245720024 its reverse (420027542), we get a palindrome (665747566).

The spelling of 245720024 in words is "two hundred forty-five million, seven hundred twenty thousand, twenty-four".