143671379 has 2 divisors, whose sum is σ = 143671380. Its totient is φ = 143671378.

The previous prime is 143671357. The next prime is 143671397. The reversal of 143671379 is 973176341.

Together with next prime (143671397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143671379 - 2⁸ = 143671123 is a prime.

It is not a weakly prime, because it can be changed into another prime (143671309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71835689 + 71835690.

It is an arithmetic number, because the mean of its divisors is an integer number (71835690).

Almost surely, 2^143671379 is an apocalyptic number.

143671379 is a deficient number, since it is larger than the sum of its proper divisors (1).

143671379 is an equidigital number, since it uses as much as digits as its factorization.

143671379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 143671379 is about 11986.2996375028. The cubic root of 143671379 is about 523.7492572562.

The spelling of 143671379 in words is "one hundred forty-three million, six hundred seventy-one thousand, three hundred seventy-nine".