143164009 has 4 divisors (see below), whose sum is σ = 143621716. Its totient is φ = 142706304.

The previous prime is 143164001. The next prime is 143164013. The reversal of 143164009 is 900461341.

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 14227984 + 128936025 = 3772^2 + 11355^2 .

It is a cyclic number.

It is not a de Polignac number, because 143164009 - 2³ = 143164001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143164001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228384 + ... + 229009.

It is an arithmetic number, because the mean of its divisors is an integer number (35905429).

Almost surely, 2^143164009 is an apocalyptic number.

It is an amenable number.

143164009 is a deficient number, since it is larger than the sum of its proper divisors (457707).

143164009 is an equidigital number, since it uses as much as digits as its factorization.

143164009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457706.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 143164009 is about 11965.1163387574. The cubic root of 143164009 is about 523.1319965596.

The spelling of 143164009 in words is "one hundred forty-three million, one hundred sixty-four thousand, nine".