302143042 has 16 divisors (see below), whose sum is σ = 473703552. Its totient is φ = 144263680.

The previous prime is 302143027. The next prime is 302143043. The reversal of 302143042 is 240341203.

It is not an unprimeable number, because it can be changed into a prime (302143043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24363 + ... + 34609.

It is an arithmetic number, because the mean of its divisors is an integer number (29606472).

Almost surely, 2^302143042 is an apocalyptic number.

302143042 is a deficient number, since it is larger than the sum of its proper divisors (171560510).

302143042 is a wasteful number, since it uses less digits than its factorization.

302143042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10913.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 302143042 is about 17382.2622808425. The cubic root of 302143042 is about 671.0231949237.

Adding to 302143042 its reverse (240341203), we get a palindrome (542484245).

The spelling of 302143042 in words is "three hundred two million, one hundred forty-three thousand, forty-two".