173145846512 has 20 divisors (see below), whose sum is σ = 338791566696. Its totient is φ = 85715764800.

The previous prime is 173145846451. The next prime is 173145846521. The reversal of 173145846512 is 215648541371.

It is a super-2 number, since 2×173145846512² (a number of 23 digits) contains 22 as substring.

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, 53570738 + ... + 53573969.

Almost surely, 2^173145846512 is an apocalyptic number.

It is an amenable number.

173145846512 is a deficient number, since it is larger than the sum of its proper divisors (165645720184).

173145846512 is a wasteful number, since it uses less digits than its factorization.

173145846512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107144816 (or 107144810 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The spelling of 173145846512 in words is "one hundred seventy-three billion, one hundred forty-five million, eight hundred forty-six thousand, five hundred twelve".