302243142 has 8 divisors (see below), whose sum is σ = 604486296. Its totient is φ = 100747712.

The previous prime is 302243107. The next prime is 302243197. The reversal of 302243142 is 241342203.

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

302243142 is an admirable number.

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, 25186923 + ... + 25186934.

It is an arithmetic number, because the mean of its divisors is an integer number (75560787).

Almost surely, 2^302243142 is an apocalyptic number.

302243142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302243142 is a wasteful number, since it uses less digits than its factorization.

302243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50373862.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 302243142 is about 17385.1414144378. The cubic root of 302243142 is about 671.0972900775.

Adding to 302243142 its reverse (241342203), we get a palindrome (543585345).

It can be divided in two parts, 3022 and 43142, that added together give a palindrome (46164).

The spelling of 302243142 in words is "three hundred two million, two hundred forty-three thousand, one hundred forty-two".