143899216937 has 12 divisors (see below), whose sum is σ = 167938238160. Its totient is φ = 122940407016.

The previous prime is 143899216921. The next prime is 143899216987. The reversal of 143899216937 is 739612998341.

It is not a de Polignac number, because 143899216937 - 2⁴ = 143899216921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143899216937.

It is not an unprimeable number, because it can be changed into a prime (143899216907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4767887 + ... + 4797972.

It is an arithmetic number, because the mean of its divisors is an integer number (13994853180).

Almost surely, 2^143899216937 is an apocalyptic number.

It is an amenable number.

143899216937 is a deficient number, since it is larger than the sum of its proper divisors (24039021223).

143899216937 is an equidigital number, since it uses as much as digits as its factorization.

143899216937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9566180 (or 9566173 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 62.

The spelling of 143899216937 in words is "one hundred forty-three billion, eight hundred ninety-nine million, two hundred sixteen thousand, nine hundred thirty-seven".