143111879 has 2 divisors, whose sum is σ = 143111880. Its totient is φ = 143111878.

The previous prime is 143111863. The next prime is 143111929. The reversal of 143111879 is 978111341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143111879 - 2⁴ = 143111863 is a prime.

It is a super-3 number, since 3×143111879³ (a number of 25 digits) contains 333 as substring.

It is equal to p_8078057 and since 143111879 and 8078057 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143111809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71555939 + 71555940.

It is an arithmetic number, because the mean of its divisors is an integer number (71555940).

Almost surely, 2^143111879 is an apocalyptic number.

143111879 is a deficient number, since it is larger than the sum of its proper divisors (1).

143111879 is an equidigital number, since it uses as much as digits as its factorization.

143111879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 35.

The square root of 143111879 is about 11962.9377244889. The cubic root of 143111879 is about 523.0684932116.

The spelling of 143111879 in words is "one hundred forty-three million, one hundred eleven thousand, eight hundred seventy-nine".