302112142 has 8 divisors (see below), whose sum is σ = 454431600. Its totient is φ = 150634944.

The previous prime is 302112133. The next prime is 302112163. The reversal of 302112142 is 241211203.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209667 + ... + 211102.

It is an arithmetic number, because the mean of its divisors is an integer number (56803950).

Almost surely, 2^302112142 is an apocalyptic number.

302112142 is a deficient number, since it is larger than the sum of its proper divisors (152319458).

302112142 is a wasteful number, since it uses less digits than its factorization.

302112142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421130.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 302112142 is about 17381.3734209929. The cubic root of 302112142 is about 671.0003190882. Note that the first 3 decimals are identical.

Adding to 302112142 its reverse (241211203), we get a palindrome (543323345).

The spelling of 302112142 in words is "three hundred two million, one hundred twelve thousand, one hundred forty-two".