442143103 has 8 divisors (see below), whose sum is σ = 444434256. Its totient is φ = 439857600.

The previous prime is 442143101. The next prime is 442143113. The reversal of 442143103 is 301341244.

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 442143103 - 2¹ = 442143101 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 (442143101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297400 + ... + 298882.

It is an arithmetic number, because the mean of its divisors is an integer number (55554282).

Almost surely, 2^442143103 is an apocalyptic number.

442143103 is a deficient number, since it is larger than the sum of its proper divisors (2291153).

442143103 is a wasteful number, since it uses less digits than its factorization.

442143103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 442143103 is about 21027.1991239918. The cubic root of 442143103 is about 761.8233591654.

Adding to 442143103 its reverse (301341244), we get a palindrome (743484347).

It can be divided in two parts, 4421 and 43103, that added together give a square (47524 = 218²).

The spelling of 442143103 in words is "four hundred forty-two million, one hundred forty-three thousand, one hundred three".