143431504436 has 12 divisors (see below), whose sum is σ = 273823781280. Its totient is φ = 65196138360.

The previous prime is 143431504409. The next prime is 143431504483. The reversal of 143431504436 is 634405134341.

It is a self number, because there is not a number n which added to its sum of digits gives 143431504436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629903416 + ... + 1629903503.

It is an arithmetic number, because the mean of its divisors is an integer number (22818648440).

Almost surely, 2^143431504436 is an apocalyptic number.

It is an amenable number.

143431504436 is a deficient number, since it is larger than the sum of its proper divisors (130392276844).

143431504436 is a wasteful number, since it uses less digits than its factorization.

143431504436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259806934 (or 3259806932 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 143431504436 its reverse (634405134341), we get a palindrome (777836638777).

The spelling of 143431504436 in words is "one hundred forty-three billion, four hundred thirty-one million, five hundred four thousand, four hundred thirty-six".