442536143 has 8 divisors (see below), whose sum is σ = 523195680. Its totient is φ = 366236640.

The previous prime is 442536119. The next prime is 442536173. The reversal of 442536143 is 341635244.

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

It is not a de Polignac number, because 442536143 - 2⁶ = 442536079 is a prime.

It is a super-2 number, since 2×442536143² = 391676475722632898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442536103) 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, 1089788 + ... + 1090193.

It is an arithmetic number, because the mean of its divisors is an integer number (65399460).

Almost surely, 2^442536143 is an apocalyptic number.

442536143 is a deficient number, since it is larger than the sum of its proper divisors (80659537).

442536143 is a wasteful number, since it uses less digits than its factorization.

442536143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180017.

The product of its digits is 34560, while the sum is 32.

The square root of 442536143 is about 21036.5430382466. The cubic root of 442536143 is about 762.0490314801.

The spelling of 442536143 in words is "four hundred forty-two million, five hundred thirty-six thousand, one hundred forty-three".