302142242 has 16 divisors (see below), whose sum is σ = 471960000. Its totient is φ = 144891600.

The previous prime is 302142233. The next prime is 302142257. The reversal of 302142242 is 242241203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8492 + ... + 26007.

It is an arithmetic number, because the mean of its divisors is an integer number (29497500).

Almost surely, 2^302142242 is an apocalyptic number.

302142242 is a deficient number, since it is larger than the sum of its proper divisors (169817758).

302142242 is a wasteful number, since it uses less digits than its factorization.

302142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34681.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 302142242 is about 17382.2392688629. The cubic root of 302142242 is about 671.0226026888.

Adding to 302142242 its reverse (242241203), we get a palindrome (544383445).

The spelling of 302142242 in words is "three hundred two million, one hundred forty-two thousand, two hundred forty-two".