245333520 has 120 divisors (see below), whose sum is σ = 830708736. Its totient is φ = 64882944.

The previous prime is 245333519. The next prime is 245333527. The reversal of 245333520 is 25333542.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (245333527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90099 + ... + 92781.

Almost surely, 2^245333520 is an apocalyptic number.

245333520 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 245333520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415354368).

245333520 is an abundant number, since it is smaller than the sum of its proper divisors (585375216).

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

245333520 is a wasteful number, since it uses less digits than its factorization.

245333520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 245333520 is about 15663.1261247556. The cubic root of 245333520 is about 626.0162836391.

The spelling of 245333520 in words is "two hundred forty-five million, three hundred thirty-three thousand, five hundred twenty".