442101143 has 32 divisors (see below), whose sum is σ = 516326400. Its totient is φ = 374774400.

The previous prime is 442101089. The next prime is 442101169. The reversal of 442101143 is 341101244.

It is not a de Polignac number, because 442101143 - 2¹⁰ = 442100119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442101043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1335488 + ... + 1335818.

It is an arithmetic number, because the mean of its divisors is an integer number (16135200).

Almost surely, 2^442101143 is an apocalyptic number.

442101143 is a deficient number, since it is larger than the sum of its proper divisors (74225257).

442101143 is a wasteful number, since it uses less digits than its factorization.

442101143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 442101143 is about 21026.2013449886. The cubic root of 442101143 is about 761.7992590350.

Adding to 442101143 its reverse (341101244), we get a palindrome (783202387).

It can be divided in two parts, 442101 and 143, that added together give a palindrome (442244).

The spelling of 442101143 in words is "four hundred forty-two million, one hundred one thousand, one hundred forty-three".