143422867 has 8 divisors (see below), whose sum is σ = 163987712. Its totient is φ = 122877000.

The previous prime is 143422859. The next prime is 143422883. The reversal of 143422867 is 768224341.

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

It is a cyclic number.

It is not a de Polignac number, because 143422867 - 2³ = 143422859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143422837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20242 + ... + 26392.

It is an arithmetic number, because the mean of its divisors is an integer number (20498464).

Almost surely, 2^143422867 is an apocalyptic number.

143422867 is a deficient number, since it is larger than the sum of its proper divisors (20564845).

143422867 is an equidigital number, since it uses as much as digits as its factorization.

143422867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9489.

The product of its digits is 64512, while the sum is 37.

The square root of 143422867 is about 11975.9286487520. The cubic root of 143422867 is about 523.4471022170.

The spelling of 143422867 in words is "one hundred forty-three million, four hundred twenty-two thousand, eight hundred sixty-seven".