143665565532 has 12 divisors (see below), whose sum is σ = 335219652936. Its totient is φ = 47888521840.

The previous prime is 143665565513. The next prime is 143665565539. The reversal of 143665565532 is 235565566341.

143665565532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143665565539) 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, 5986065219 + ... + 5986065242.

It is an arithmetic number, because the mean of its divisors is an integer number (27934971078).

Almost surely, 2^143665565532 is an apocalyptic number.

143665565532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143665565532 is an abundant number, since it is smaller than the sum of its proper divisors (191554087404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143665565532 is a wasteful number, since it uses less digits than its factorization.

143665565532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11972130468 (or 11972130466 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 51.

The spelling of 143665565532 in words is "one hundred forty-three billion, six hundred sixty-five million, five hundred sixty-five thousand, five hundred thirty-two".