143422085 has 4 divisors (see below), whose sum is σ = 172106508. Its totient is φ = 114737664.

The previous prime is 143422079. The next prime is 143422087. The reversal of 143422085 is 580224341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92756161 + 50665924 = 9631^2 + 7118^2 .

It is a cyclic number.

It is not a de Polignac number, because 143422085 - 2⁶ = 143422021 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 (143422087) 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, 14342204 + ... + 14342213.

It is an arithmetic number, because the mean of its divisors is an integer number (43026627).

Almost surely, 2^143422085 is an apocalyptic number.

It is an amenable number.

143422085 is a deficient number, since it is larger than the sum of its proper divisors (28684423).

143422085 is an equidigital number, since it uses as much as digits as its factorization.

143422085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28684422.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 143422085 is about 11975.8959998824. The cubic root of 143422085 is about 523.4461508662.

The spelling of 143422085 in words is "one hundred forty-three million, four hundred twenty-two thousand, eighty-five".