143200081 has 4 divisors (see below), whose sum is σ = 143744832. Its totient is φ = 142655332.

The previous prime is 143200069. The next prime is 143200087. The reversal of 143200081 is 180002341.

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 143200081 - 2⁵ = 143200049 is a prime.

It is a super-2 number, since 2×143200081² = 41012526396813122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143200087) 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, 271981 + ... + 272506.

It is an arithmetic number, because the mean of its divisors is an integer number (35936208).

Almost surely, 2^143200081 is an apocalyptic number.

It is an amenable number.

143200081 is a deficient number, since it is larger than the sum of its proper divisors (544751).

143200081 is an equidigital number, since it uses as much as digits as its factorization.

143200081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544750.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 143200081 is about 11966.6236257350. The cubic root of 143200081 is about 523.1759294653.

The spelling of 143200081 in words is "one hundred forty-three million, two hundred thousand, eighty-one".