142667443 has 8 divisors (see below), whose sum is σ = 149457600. Its totient is φ = 136002048.

The previous prime is 142667429. The next prime is 142667453. The reversal of 142667443 is 344766241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142667443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142667423) 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, 28846 + ... + 33427.

It is an arithmetic number, because the mean of its divisors is an integer number (18682200).

Almost surely, 2^142667443 is an apocalyptic number.

142667443 is a deficient number, since it is larger than the sum of its proper divisors (6790157).

142667443 is an equidigital number, since it uses as much as digits as its factorization.

142667443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62381.

The product of its digits is 96768, while the sum is 37.

The square root of 142667443 is about 11944.3477427610. The cubic root of 142667443 is about 522.5264661548.

The spelling of 142667443 in words is "one hundred forty-two million, six hundred sixty-seven thousand, four hundred forty-three".