302145320242 has 32 divisors (see below), whose sum is σ = 475616769408. Its totient is φ = 143681995776.

The previous prime is 302145320237. The next prime is 302145320249. The reversal of 302145320242 is 242023541203.

It is a self number, because there is not a number n which added to its sum of digits gives 302145320242.

It is not an unprimeable number, because it can be changed into a prime (302145320249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19905768 + ... + 19920940.

It is an arithmetic number, because the mean of its divisors is an integer number (14863024044).

Almost surely, 2^302145320242 is an apocalyptic number.

302145320242 is a deficient number, since it is larger than the sum of its proper divisors (173471449166).

302145320242 is a wasteful number, since it uses less digits than its factorization.

302145320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17634.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 302145320242 its reverse (242023541203), we get a palindrome (544168861445).

The spelling of 302145320242 in words is "three hundred two billion, one hundred forty-five million, three hundred twenty thousand, two hundred forty-two".