143321020989 has 8 divisors (see below), whose sum is σ = 201152310240. Its totient is φ = 90518539536.

The previous prime is 143321020979. The next prime is 143321021009. The reversal of 143321020989 is 989020123341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143321020989 - 2¹⁵ = 143320988221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143321020989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143321020979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257201882 + ... + 1257201995.

It is an arithmetic number, because the mean of its divisors is an integer number (25144038780).

Almost surely, 2^143321020989 is an apocalyptic number.

143321020989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

143321020989 is a deficient number, since it is larger than the sum of its proper divisors (57831289251).

143321020989 is a wasteful number, since it uses less digits than its factorization.

143321020989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514403899.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 143321020989 in words is "one hundred forty-three billion, three hundred twenty-one million, twenty thousand, nine hundred eighty-nine".