143830978109 has 16 divisors (see below), whose sum is σ = 177160220160. Its totient is φ = 113711955840.

The previous prime is 143830978099. The next prime is 143830978127. The reversal of 143830978109 is 901879038341.

It is not a de Polignac number, because 143830978109 - 2¹² = 143830974013 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143830978189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495797 + ... + 730394.

It is an arithmetic number, because the mean of its divisors is an integer number (11072513760).

Almost surely, 2^143830978109 is an apocalyptic number.

It is an amenable number.

143830978109 is a deficient number, since it is larger than the sum of its proper divisors (33329242051).

143830978109 is a wasteful number, since it uses less digits than its factorization.

143830978109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227500.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 143830978109 in words is "one hundred forty-three billion, eight hundred thirty million, nine hundred seventy-eight thousand, one hundred nine".