30305242146 has 8 divisors (see below), whose sum is σ = 60610484304. Its totient is φ = 10101747380.

The previous prime is 30305242141. The next prime is 30305242147. The reversal of 30305242146 is 64124250303.

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

30305242146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (30305242141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525436840 + ... + 2525436851.

It is an arithmetic number, because the mean of its divisors is an integer number (7576310538).

Almost surely, 2^30305242146 is an apocalyptic number.

30305242146 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.

30305242146 is a wasteful number, since it uses less digits than its factorization.

30305242146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050873696.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 30305242146 its reverse (64124250303), we get a palindrome (94429492449).

The spelling of 30305242146 in words is "thirty billion, three hundred five million, two hundred forty-two thousand, one hundred forty-six".