30421054145 has 8 divisors (see below), whose sum is σ = 36506348520. Its totient is φ = 24336120960.

The previous prime is 30421054063. The next prime is 30421054159. The reversal of 30421054145 is 54145012403.

It can be written as a sum of positive squares in 4 ways, for example, as 93528241 + 30327525904 = 9671^2 + 174148^2 .

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

It is not a de Polignac number, because 30421054145 - 2³² = 26126086849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156155 + ... + 291935.

It is an arithmetic number, because the mean of its divisors is an integer number (4563293565).

Almost surely, 2^30421054145 is an apocalyptic number.

It is an amenable number.

30421054145 is a deficient number, since it is larger than the sum of its proper divisors (6085294375).

30421054145 is a wasteful number, since it uses less digits than its factorization.

30421054145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180595.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 30421054145 its reverse (54145012403), we get a palindrome (84566066548).

The spelling of 30421054145 in words is "thirty billion, four hundred twenty-one million, fifty-four thousand, one hundred forty-five".