302430042 has 48 divisors (see below), whose sum is σ = 666481920. Its totient is φ = 99099936.

The previous prime is 302430041. The next prime is 302430061. The reversal of 302430042 is 240034203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 302429997 and 302430024.

It is not an unprimeable number, because it can be changed into a prime (302430041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290559 + ... + 291597.

It is an arithmetic number, because the mean of its divisors is an integer number (13885040).

Almost surely, 2^302430042 is an apocalyptic number.

302430042 is an abundant number, since it is smaller than the sum of its proper divisors (364051878).

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

302430042 is a wasteful number, since it uses less digits than its factorization.

302430042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 302430042 is about 17390.5158635390. The cubic root of 302430042 is about 671.2355917967.

Adding to 302430042 its reverse (240034203), we get a palindrome (542464245).

The spelling of 302430042 in words is "three hundred two million, four hundred thirty thousand, forty-two".