304540152 has 64 divisors (see below), whose sum is σ = 872570880. Its totient is φ = 86765952.

The previous prime is 304540127. The next prime is 304540163. The reversal of 304540152 is 251045403.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 61978 + ... + 66710.

It is an arithmetic number, because the mean of its divisors is an integer number (13633920).

Almost surely, 2^304540152 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 304540152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436285440).

304540152 is an abundant number, since it is smaller than the sum of its proper divisors (568030728).

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

304540152 is a wasteful number, since it uses less digits than its factorization.

304540152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132 (or 5128 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 304540152 is about 17451.0788205200. The cubic root of 304540152 is about 672.7930864580.

Adding to 304540152 its reverse (251045403), we get a palindrome (555585555).

The spelling of 304540152 in words is "three hundred four million, five hundred forty thousand, one hundred fifty-two".