442517450143 has 4 divisors (see below), whose sum is σ = 442566622288. Its totient is φ = 442468278000.

The previous prime is 442517450129. The next prime is 442517450201. The reversal of 442517450143 is 341054715244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442517450143 - 2⁹ = 442517449631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442517450096 and 442517450105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442517450443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24572571 + ... + 24590572.

It is an arithmetic number, because the mean of its divisors is an integer number (110641655572).

Almost surely, 2^442517450143 is an apocalyptic number.

442517450143 is a deficient number, since it is larger than the sum of its proper divisors (49172145).

442517450143 is an equidigital number, since it uses as much as digits as its factorization.

442517450143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49172144.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 442517450143 in words is "four hundred forty-two billion, five hundred seventeen million, four hundred fifty thousand, one hundred forty-three".