143281378140 has 96 divisors (see below), whose sum is σ = 415849082880. Its totient is φ = 36822297600.

The previous prime is 143281378117. The next prime is 143281378147. The reversal of 143281378140 is 41873182341.

It is a junction number, because it is equal to n+sod(n) for n = 143281378092 and 143281378101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143281378147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288441 + ... + 608079.

It is an arithmetic number, because the mean of its divisors is an integer number (4331761280).

Almost surely, 2^143281378140 is an apocalyptic number.

143281378140 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 143281378140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207924541440).

143281378140 is an abundant number, since it is smaller than the sum of its proper divisors (272567704740).

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

143281378140 is a wasteful number, since it uses less digits than its factorization.

143281378140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319923 (or 319921 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 143281378140 in words is "one hundred forty-three billion, two hundred eighty-one million, three hundred seventy-eight thousand, one hundred forty".