143230642140 has 96 divisors (see below), whose sum is σ = 415220359680. Its totient is φ = 36847073536.

The previous prime is 143230642127. The next prime is 143230642153. The reversal of 143230642140 is 41246032341.

143230642140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143230642127) and next prime (143230642153).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 143230642098 and 143230642107.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2094367 + ... + 2161673.

It is an arithmetic number, because the mean of its divisors is an integer number (4325212080).

Almost surely, 2^143230642140 is an apocalyptic number.

143230642140 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 143230642140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207610179840).

143230642140 is an abundant number, since it is smaller than the sum of its proper divisors (271989717540).

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

143230642140 is a wasteful number, since it uses less digits than its factorization.

143230642140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68571 (or 68569 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 143230642140 its reverse (41246032341), we get a palindrome (184476674481).

The spelling of 143230642140 in words is "one hundred forty-three billion, two hundred thirty million, six hundred forty-two thousand, one hundred forty".