143797967 has 2 divisors, whose sum is σ = 143797968. Its totient is φ = 143797966.

The previous prime is 143797949. The next prime is 143797993. The reversal of 143797967 is 769797341.

143797967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (769797341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143797967 - 2⁶ = 143797903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143797937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71898983 + 71898984.

It is an arithmetic number, because the mean of its divisors is an integer number (71898984).

Almost surely, 2^143797967 is an apocalyptic number.

143797967 is a deficient number, since it is larger than the sum of its proper divisors (1).

143797967 is an equidigital number, since it uses as much as digits as its factorization.

143797967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 53.

The square root of 143797967 is about 11991.5790036175. The cubic root of 143797967 is about 523.9030362219.

The spelling of 143797967 in words is "one hundred forty-three million, seven hundred ninety-seven thousand, nine hundred sixty-seven".