302542 has 8 divisors (see below), whose sum is σ = 473616. Its totient is φ = 144672.

The previous prime is 302513. The next prime is 302551. The reversal of 302542 is 245203.

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

It is a congruent number.

It is an unprimeable number.

302542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3243 + ... + 3334.

It is an arithmetic number, because the mean of its divisors is an integer number (59202).

2³⁰²⁵⁴² is an apocalyptic number.

302542 is a deficient number, since it is larger than the sum of its proper divisors (171074).

302542 is a wasteful number, since it uses less digits than its factorization.

302542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 302542 is about 550.0381804930. The cubic root of 302542 is about 67.1318410865.

Adding to 302542 its reverse (245203), we get a palindrome (547745).

The spelling of 302542 in words is "three hundred two thousand, five hundred forty-two".