143747999989 has 16 divisors (see below), whose sum is σ = 164613980160. Its totient is φ = 124249731760.

The previous prime is 143747999959. The next prime is 143748000031. The reversal of 143747999989 is 989999747341.

It is not a de Polignac number, because 143747999989 - 2⁵ = 143747999957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143747999909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658869 + ... + 1743370.

It is an arithmetic number, because the mean of its divisors is an integer number (10288373760).

Almost surely, 2^143747999989 is an apocalyptic number.

It is an amenable number.

143747999989 is a deficient number, since it is larger than the sum of its proper divisors (20865980171).

143747999989 is a wasteful number, since it uses less digits than its factorization.

143747999989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402440.

The product of its digits is 1111065984, while the sum is 79.

The spelling of 143747999989 in words is "one hundred forty-three billion, seven hundred forty-seven million, nine hundred ninety-nine thousand, nine hundred eighty-nine".