200155173 has 8 divisors (see below), whose sum is σ = 266941248. Its totient is φ = 133402944.

The previous prime is 200155171. The next prime is 200155183. The reversal of 200155173 is 371551002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200155173 - 2¹ = 200155171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200155171) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13440 + ... + 24102.

It is an arithmetic number, because the mean of its divisors is an integer number (33367656).

Almost surely, 2^200155173 is an apocalyptic number.

It is an amenable number.

200155173 is a deficient number, since it is larger than the sum of its proper divisors (66786075).

200155173 is a wasteful number, since it uses less digits than its factorization.

200155173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 200155173 is about 14147.6207540349. The cubic root of 200155173 is about 584.9547514129.

The spelling of 200155173 in words is "two hundred million, one hundred fifty-five thousand, one hundred seventy-three".