303143042 has 8 divisors (see below), whose sum is σ = 459402636. Its totient is φ = 150008832.

The previous prime is 303143023. The next prime is 303143047. The reversal of 303143042 is 240341303.

It can be written as a sum of positive squares in 2 ways, for example, as 303142921 + 121 = 17411^2 + 11^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (303143047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781103 + ... + 781490.

Almost surely, 2^303143042 is an apocalyptic number.

303143042 is a deficient number, since it is larger than the sum of its proper divisors (156259594).

303143042 is a wasteful number, since it uses less digits than its factorization.

303143042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562692.

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

The square root of 303143042 is about 17411.0034748144. The cubic root of 303143042 is about 671.7626727724.

Adding to 303143042 its reverse (240341303), we get a palindrome (543484345).

The spelling of 303143042 in words is "three hundred three million, one hundred forty-three thousand, forty-two".