143668234920 has 128 divisors (see below), whose sum is σ = 493632921600. Its totient is φ = 32768046336.

The previous prime is 143668234901. The next prime is 143668234933. The reversal of 143668234920 is 29432866341.

It is a super-3 number, since 3×143668234920³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143668234920.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209161 + ... + 575399.

It is an arithmetic number, because the mean of its divisors is an integer number (3856507200).

Almost surely, 2^143668234920 is an apocalyptic number.

143668234920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143668234920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246816460800).

143668234920 is an abundant number, since it is smaller than the sum of its proper divisors (349964686680).

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

143668234920 is a wasteful number, since it uses less digits than its factorization.

143668234920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366727 (or 366723 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 143668234920 in words is "one hundred forty-three billion, six hundred sixty-eight million, two hundred thirty-four thousand, nine hundred twenty".