245923520 has 56 divisors (see below), whose sum is σ = 587349600. Its totient is φ = 98076672.

The previous prime is 245923501. The next prime is 245923523. The reversal of 245923520 is 25329542.

245923520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (245923523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129941 + ... + 131819.

Almost surely, 2^245923520 is an apocalyptic number.

245923520 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 245923520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293674800).

245923520 is an abundant number, since it is smaller than the sum of its proper divisors (341426080).

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

245923520 is a wasteful number, since it uses less digits than its factorization.

245923520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2295 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 245923520 is about 15681.9488584806. The cubic root of 245923520 is about 626.5177152149.

The spelling of 245923520 in words is "two hundred forty-five million, nine hundred twenty-three thousand, five hundred twenty".