143213667 has 8 divisors (see below), whose sum is σ = 191152896. Its totient is φ = 95375112.

The previous prime is 143213647. The next prime is 143213669. The reversal of 143213667 is 766312341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143213667 - 2¹⁴ = 143197283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143213669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21783 + ... + 27584.

It is an arithmetic number, because the mean of its divisors is an integer number (23894112).

Almost surely, 2^143213667 is an apocalyptic number.

143213667 is a deficient number, since it is larger than the sum of its proper divisors (47939229).

143213667 is an equidigital number, since it uses as much as digits as its factorization.

143213667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50337.

The product of its digits is 18144, while the sum is 33.

The square root of 143213667 is about 11967.1912744804. The cubic root of 143213667 is about 523.1924742497.

The spelling of 143213667 in words is "one hundred forty-three million, two hundred thirteen thousand, six hundred sixty-seven".