143132320144 has 80 divisors (see below), whose sum is σ = 309740175360. Its totient is φ = 63511217280.

The previous prime is 143132320117. The next prime is 143132320181. The reversal of 143132320144 is 441023231341.

It is a happy number.

It is a super-2 number, since 2×143132320144² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16940529 + ... + 16948975.

It is an arithmetic number, because the mean of its divisors is an integer number (3871752192).

Almost surely, 2^143132320144 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 143132320144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154870087680).

143132320144 is an abundant number, since it is smaller than the sum of its proper divisors (166607855216).

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

143132320144 is a wasteful number, since it uses less digits than its factorization.

143132320144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10748 (or 10742 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 143132320144 its reverse (441023231341), we get a palindrome (584155551485).

The spelling of 143132320144 in words is "one hundred forty-three billion, one hundred thirty-two million, three hundred twenty thousand, one hundred forty-four".