173900143 has 2 divisors, whose sum is σ = 173900144. Its totient is φ = 173900142.

The previous prime is 173900137. The next prime is 173900183. The reversal of 173900143 is 341009371.

It is a weak prime.

It is an emirp because it is prime and its reverse (341009371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173900143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173900113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86950071 + 86950072.

It is an arithmetic number, because the mean of its divisors is an integer number (86950072).

Almost surely, 2^173900143 is an apocalyptic number.

173900143 is a deficient number, since it is larger than the sum of its proper divisors (1).

173900143 is an equidigital number, since it uses as much as digits as its factorization.

173900143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 173900143 is about 13187.1203452460. The cubic root of 173900143 is about 558.1702000473.

The spelling of 173900143 in words is "one hundred seventy-three million, nine hundred thousand, one hundred forty-three".