143665945384 has 64 divisors (see below), whose sum is σ = 292255084800. Its totient is φ = 65814633216.

The previous prime is 143665945363. The next prime is 143665945387. The reversal of 143665945384 is 483549566341.

It is not an unprimeable number, because it can be changed into a prime (143665945387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14048097 + ... + 14058319.

It is an arithmetic number, because the mean of its divisors is an integer number (4566485700).

Almost surely, 2^143665945384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143665945384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146127542400).

143665945384 is an abundant number, since it is smaller than the sum of its proper divisors (148589139416).

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

143665945384 is a wasteful number, since it uses less digits than its factorization.

143665945384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11234 (or 11230 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 58.

The spelling of 143665945384 in words is "one hundred forty-three billion, six hundred sixty-five million, nine hundred forty-five thousand, three hundred eighty-four".