302145142 has 16 divisors (see below), whose sum is σ = 504912240. Its totient is φ = 134642592.

The previous prime is 302145073. The next prime is 302145161. The reversal of 302145142 is 241541203.

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 7 ways as a sum of consecutive naturals, for example, 199608 + ... + 201115.

It is an arithmetic number, because the mean of its divisors is an integer number (31557015).

Almost surely, 2^302145142 is an apocalyptic number.

302145142 is a deficient number, since it is larger than the sum of its proper divisors (202767098).

302145142 is a wasteful number, since it uses less digits than its factorization.

302145142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400767.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 302145142 is about 17382.3226871440. The cubic root of 302145142 is about 671.0247495356.

Adding to 302145142 its reverse (241541203), we get a palindrome (543686345).

The spelling of 302145142 in words is "three hundred two million, one hundred forty-five thousand, one hundred forty-two".