143712631440 has 480 divisors, whose sum is σ = 581543778816. Its totient is φ = 31094046720.

The previous prime is 143712631409. The next prime is 143712631499. The reversal of 143712631440 is 44136217341.

143712631440 is a `hidden beast` number, since 1 + 4 + 3 + 7 + 12 + 631 + 4 + 4 + 0 = 666.

143712631440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 143712631395 and 143712631404.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11237850 + ... + 11250630.

Almost surely, 2^143712631440 is an apocalyptic number.

143712631440 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 143712631440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290771889408).

143712631440 is an abundant number, since it is smaller than the sum of its proper divisors (437831147376).

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

143712631440 is a wasteful number, since it uses less digits than its factorization.

143712631440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12927 (or 12918 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 143712631440 its reverse (44136217341), we get a palindrome (187848848781).

The spelling of 143712631440 in words is "one hundred forty-three billion, seven hundred twelve million, six hundred thirty-one thousand, four hundred forty".