303403142 has 32 divisors (see below), whose sum is σ = 539965440. Its totient is φ = 125160480.

The previous prime is 303403129. The next prime is 303403151. The reversal of 303403142 is 241304303.

303403142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 36359 + ... + 43917.

It is an arithmetic number, because the mean of its divisors is an integer number (16873920).

Almost surely, 2^303403142 is an apocalyptic number.

303403142 is a deficient number, since it is larger than the sum of its proper divisors (236562298).

303403142 is a wasteful number, since it uses less digits than its factorization.

303403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 303403142 is about 17418.4712876877. The cubic root of 303403142 is about 671.9547443895.

Adding to 303403142 its reverse (241304303), we get a palindrome (544707445).

The spelling of 303403142 in words is "three hundred three million, four hundred three thousand, one hundred forty-two".