304145560 has 64 divisors (see below), whose sum is σ = 717050880. Its totient is φ = 115885440.

The previous prime is 304145509. The next prime is 304145563. The reversal of 304145560 is 65541403.

304145560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304145563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285589 + ... + 286651.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^304145560 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 304145560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358525440).

304145560 is an abundant number, since it is smaller than the sum of its proper divisors (412905320).

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

304145560 is a wasteful number, since it uses less digits than its factorization.

304145560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 304145560 is about 17439.7694938895. The cubic root of 304145560 is about 672.5023820298.

Adding to 304145560 its reverse (65541403), we get a palindrome (369686963).

The spelling of 304145560 in words is "three hundred four million, one hundred forty-five thousand, five hundred sixty".