303143144 has 16 divisors (see below), whose sum is σ = 571536420. Its totient is φ = 150733440.

The previous prime is 303143143. The next prime is 303143161. The reversal of 303143144 is 441341303.

303143144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 296184100 + 6959044 = 17210^2 + 2638^2 .

It is not an unprimeable number, because it can be changed into a prime (303143143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103229 + ... + 106124.

Almost surely, 2^303143144 is an apocalyptic number.

It is an amenable number.

303143144 is a deficient number, since it is larger than the sum of its proper divisors (268393276).

303143144 is a wasteful number, since it uses less digits than its factorization.

303143144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209540 (or 209536 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 303143144 is about 17411.0064039963. The cubic root of 303143144 is about 671.7627481161.

Adding to 303143144 its reverse (441341303), we get a palindrome (744484447).

The spelling of 303143144 in words is "three hundred three million, one hundred forty-three thousand, one hundred forty-four".