305830144 has 27 divisors (see below), whose sum is σ = 611024673. Its totient is φ = 152775168.

The previous prime is 305830139. The next prime is 305830181. The reversal of 305830144 is 441038503.

The square root of 305830144 is 17488.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 301369600 + 4460544 = 17360^2 + 2112^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 279262 + ... + 280354.

Almost surely, 2^305830144 is an apocalyptic number.

305830144 is the 17488-th square number.

It is an amenable number.

305830144 is a deficient number, since it is larger than the sum of its proper divisors (305194529).

305830144 is an frugal number, since it uses more digits than its factorization.

305830144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The cubic root of 305830144 is about 673.7417026319.

Adding to 305830144 its reverse (441038503), we get a palindrome (746868647).

The spelling of 305830144 in words is "three hundred five million, eight hundred thirty thousand, one hundred forty-four".