304345132 has 48 divisors (see below), whose sum is σ = 671533632. Its totient is φ = 117457920.

The previous prime is 304345127. The next prime is 304345141. The reversal of 304345132 is 231543403.

It is a junction number, because it is equal to n+sod(n) for n = 304345097 and 304345106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4728 + ... + 25120.

It is an arithmetic number, because the mean of its divisors is an integer number (13990284).

Almost surely, 2^304345132 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 304345132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335766816).

304345132 is an abundant number, since it is smaller than the sum of its proper divisors (367188500).

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

304345132 is a wasteful number, since it uses less digits than its factorization.

304345132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20458 (or 20456 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 304345132 is about 17445.4903055202. The cubic root of 304345132 is about 672.6494424269.

Adding to 304345132 its reverse (231543403), we get a palindrome (535888535).

The spelling of 304345132 in words is "three hundred four million, three hundred forty-five thousand, one hundred thirty-two".