143242667 has 2 divisors, whose sum is σ = 143242668. Its totient is φ = 143242666.

The previous prime is 143242639. The next prime is 143242681. The reversal of 143242667 is 766242341.

143242667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (766242341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143242667 - 2¹⁴ = 143226283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143242067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71621333 + 71621334.

It is an arithmetic number, because the mean of its divisors is an integer number (71621334).

Almost surely, 2^143242667 is an apocalyptic number.

143242667 is a deficient number, since it is larger than the sum of its proper divisors (1).

143242667 is an equidigital number, since it uses as much as digits as its factorization.

143242667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 143242667 is about 11968.4028591955. The cubic root of 143242667 is about 523.2277864236.

The spelling of 143242667 in words is "one hundred forty-three million, two hundred forty-two thousand, six hundred sixty-seven".