173030143 has 12 divisors (see below), whose sum is σ = 204399288. Its totient is φ = 145198560.

The previous prime is 173030141. The next prime is 173030149. The reversal of 173030143 is 341030371.

It is a happy number.

It is not a de Polignac number, because 173030143 - 2¹ = 173030141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173030141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44680 + ... + 48397.

It is an arithmetic number, because the mean of its divisors is an integer number (17033274).

Almost surely, 2^173030143 is an apocalyptic number.

173030143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

173030143 is a deficient number, since it is larger than the sum of its proper divisors (31369145).

173030143 is a wasteful number, since it uses less digits than its factorization.

173030143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93114 (or 93101 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 173030143 is about 13154.0922529835. The cubic root of 173030143 is about 557.2378256101.

The spelling of 173030143 in words is "one hundred seventy-three million, thirty thousand, one hundred forty-three".