143800073 has 4 divisors (see below), whose sum is σ = 145532688. Its totient is φ = 142067460.

The previous prime is 143800057. The next prime is 143800081. The reversal of 143800073 is 370008341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143800073 - 2⁴ = 143800057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143800003) 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, 866183 + ... + 866348.

It is an arithmetic number, because the mean of its divisors is an integer number (36383172).

Almost surely, 2^143800073 is an apocalyptic number.

It is an amenable number.

143800073 is a deficient number, since it is larger than the sum of its proper divisors (1732615).

143800073 is an equidigital number, since it uses as much as digits as its factorization.

143800073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732614.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 143800073 is about 11991.6668149178. Note that the first 3 decimals coincide. The cubic root of 143800073 is about 523.9055938251.

The spelling of 143800073 in words is "one hundred forty-three million, eight hundred thousand, seventy-three".