305223150 has 48 divisors (see below), whose sum is σ = 762451200. Its totient is φ = 80801760.

The previous prime is 305223143. The next prime is 305223167. The reversal of 305223150 is 51322503.

305223150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×305223150² = 186322342591845000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13531 + ... + 28169.

It is an arithmetic number, because the mean of its divisors is an integer number (15884400).

Almost surely, 2^305223150 is an apocalyptic number.

305223150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 305223150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381225600).

305223150 is an abundant number, since it is smaller than the sum of its proper divisors (457228050).

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

305223150 is a wasteful number, since it uses less digits than its factorization.

305223150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14793 (or 14788 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 305223150 is about 17470.6367943473. The cubic root of 305223150 is about 673.2956728819.

Adding to 305223150 its reverse (51322503), we get a palindrome (356545653).

The spelling of 305223150 in words is "three hundred five million, two hundred twenty-three thousand, one hundred fifty".