302243042 has 4 divisors (see below), whose sum is σ = 453364566. Its totient is φ = 151121520.

The previous prime is 302243027. The next prime is 302243099. The reversal of 302243042 is 240342203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240342203 = 23 ⋅10449661.

It can be written as a sum of positive squares in only one way, i.e., 301751641 + 491401 = 17371^2 + 701^2 .

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 as a sum of consecutive naturals, namely, 75560759 + ... + 75560762.

Almost surely, 2^302243042 is an apocalyptic number.

302243042 is a deficient number, since it is larger than the sum of its proper divisors (151121524).

302243042 is a wasteful number, since it uses less digits than its factorization.

302243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151121523.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 302243042 is about 17385.1385384184. The cubic root of 302243042 is about 671.0972160645.

Adding to 302243042 its reverse (240342203), we get a palindrome (542585245).

It can be divided in two parts, 3022 and 43042, that added together give a palindrome (46064).

The spelling of 302243042 in words is "three hundred two million, two hundred forty-three thousand, forty-two".