30678487144 has 16 divisors (see below), whose sum is σ = 58925143620. Its totient is φ = 14965115520.

The previous prime is 30678487121. The next prime is 30678487171. The reversal of 30678487144 is 44178487603.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30530572900 + 147914244 = 174730^2 + 12162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30678487091 and 30678487100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46765659 + ... + 46766314.

Almost surely, 2^30678487144 is an apocalyptic number.

It is an amenable number.

30678487144 is a deficient number, since it is larger than the sum of its proper divisors (28246656476).

30678487144 is a wasteful number, since it uses less digits than its factorization.

30678487144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93532020 (or 93532016 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 30678487144 in words is "thirty billion, six hundred seventy-eight million, four hundred eighty-seven thousand, one hundred forty-four".