143439024436 has 6 divisors (see below), whose sum is σ = 251018292770. Its totient is φ = 71719512216.

The previous prime is 143439024427. The next prime is 143439024451. The reversal of 143439024436 is 634420934341.

It can be written as a sum of positive squares in only one way, i.e., 114518620836 + 28920403600 = 338406^2 + 170060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143439024392 and 143439024401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17929878051 + ... + 17929878058.

Almost surely, 2^143439024436 is an apocalyptic number.

It is an amenable number.

143439024436 is a deficient number, since it is larger than the sum of its proper divisors (107579268334).

143439024436 is a wasteful number, since it uses less digits than its factorization.

143439024436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35859756113 (or 35859756111 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 43.

Adding to 143439024436 its reverse (634420934341), we get a palindrome (777859958777).

The spelling of 143439024436 in words is "one hundred forty-three billion, four hundred thirty-nine million, twenty-four thousand, four hundred thirty-six".