305142055544 has 16 divisors (see below), whose sum is σ = 572730597720. Its totient is φ = 152413896160.

The previous prime is 305142055529. The next prime is 305142055579. The reversal of 305142055544 is 445550241503.

It is a super-2 number, since 2×305142055544² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305142055498 and 305142055507.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 19633199 + ... + 19648734.

Almost surely, 2^305142055544 is an apocalyptic number.

It is an amenable number.

305142055544 is a deficient number, since it is larger than the sum of its proper divisors (267588542176).

305142055544 is a wasteful number, since it uses less digits than its factorization.

305142055544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39282910 (or 39282906 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 305142055544 in words is "three hundred five billion, one hundred forty-two million, fifty-five thousand, five hundred forty-four".