142263443 has 8 divisors (see below), whose sum is σ = 163042560. Its totient is φ = 121598280.

The previous prime is 142263439. The next prime is 142263523. The reversal of 142263443 is 344362241.

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 142263443 - 2² = 142263439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142263413) 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, 25793 + ... + 30818.

It is an arithmetic number, because the mean of its divisors is an integer number (20380320).

Almost surely, 2^142263443 is an apocalyptic number.

142263443 is a deficient number, since it is larger than the sum of its proper divisors (20779117).

142263443 is an equidigital number, since it uses as much as digits as its factorization.

142263443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56977.

The product of its digits is 13824, while the sum is 29.

The square root of 142263443 is about 11927.4239884394. The cubic root of 142263443 is about 522.0327766249.

The spelling of 142263443 in words is "one hundred forty-two million, two hundred sixty-three thousand, four hundred forty-three".