442453242143 has 16 divisors (see below), whose sum is σ = 493237430784. Its totient is φ = 393439368960.

The previous prime is 442453242139. The next prime is 442453242149. The reversal of 442453242143 is 341242354244.

It is not a de Polignac number, because 442453242143 - 2² = 442453242139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442453242097 and 442453242106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442453242149) 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 15 ways as a sum of consecutive naturals, for example, 625196 + ... + 1129502.

It is an arithmetic number, because the mean of its divisors is an integer number (30827339424).

Almost surely, 2^442453242143 is an apocalyptic number.

442453242143 is a deficient number, since it is larger than the sum of its proper divisors (50784188641).

442453242143 is a wasteful number, since it uses less digits than its factorization.

442453242143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506062.

The product of its digits is 368640, while the sum is 38.

Adding to 442453242143 its reverse (341242354244), we get a palindrome (783695596387).

The spelling of 442453242143 in words is "four hundred forty-two billion, four hundred fifty-three million, two hundred forty-two thousand, one hundred forty-three".