143130422440 has 16 divisors (see below), whose sum is σ = 322043450580. Its totient is φ = 57252168960.

The previous prime is 143130422411. The next prime is 143130422441. The reversal of 143130422440 is 44224031341.

It can be written as a sum of positive squares in 2 ways, for example, as 137532689316 + 5597733124 = 370854^2 + 74818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143130422399 and 143130422408.

It is not an unprimeable number, because it can be changed into a prime (143130422441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789130241 + ... + 1789130320.

Almost surely, 2^143130422440 is an apocalyptic number.

143130422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143130422440 is an abundant number, since it is smaller than the sum of its proper divisors (178913028140).

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

143130422440 is a wasteful number, since it uses less digits than its factorization.

143130422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578260572 (or 3578260568 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 143130422440 its reverse (44224031341), we get a palindrome (187354453781).

The spelling of 143130422440 in words is "one hundred forty-three billion, one hundred thirty million, four hundred twenty-two thousand, four hundred forty".