30145871446 has 16 divisors (see below), whose sum is σ = 46682155008. Its totient is φ = 14585250600.

The previous prime is 30145871443. The next prime is 30145871479. The reversal of 30145871446 is 64417854103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145871443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851331 + ... + 886033.

It is an arithmetic number, because the mean of its divisors is an integer number (2917634688).

Almost surely, 2^30145871446 is an apocalyptic number.

30145871446 is a deficient number, since it is larger than the sum of its proper divisors (16536283562).

30145871446 is a wasteful number, since it uses less digits than its factorization.

30145871446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48747.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 30145871446 in words is "thirty billion, one hundred forty-five million, eight hundred seventy-one thousand, four hundred forty-six".