143242021165 has 8 divisors (see below), whose sum is σ = 182001627000. Its totient is φ = 107852815872.

The previous prime is 143242021163. The next prime is 143242021217. The reversal of 143242021165 is 561120242341.

143242021165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 79739029161 + 63502992004 = 282381^2 + 251998^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143242021165 - 2¹ = 143242021163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143242021163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842600040 + ... + 842600209.

It is an arithmetic number, because the mean of its divisors is an integer number (22750203375).

Almost surely, 2^143242021165 is an apocalyptic number.

It is an amenable number.

143242021165 is a deficient number, since it is larger than the sum of its proper divisors (38759605835).

143242021165 is a wasteful number, since it uses less digits than its factorization.

143242021165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685200271.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 143242021165 in words is "one hundred forty-three billion, two hundred forty-two million, twenty-one thousand, one hundred sixty-five".