173143056 has 20 divisors (see below), whose sum is σ = 447286352. Its totient is φ = 57714336.

The previous prime is 173143051. The next prime is 173143073. The reversal of 173143056 is 650341371.

It is not an unprimeable number, because it can be changed into a prime (173143051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803526 + ... + 1803621.

Almost surely, 2^173143056 is an apocalyptic number.

173143056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

173143056 is an abundant number, since it is smaller than the sum of its proper divisors (274143296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173143056 is a wasteful number, since it uses less digits than its factorization.

173143056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607158 (or 3607152 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 173143056 is about 13158.3834873437. The cubic root of 173143056 is about 557.3590101085.

The spelling of 173143056 in words is "one hundred seventy-three million, one hundred forty-three thousand, fifty-six".