442304141 has 2 divisors, whose sum is σ = 442304142. Its totient is φ = 442304140.

The previous prime is 442304131. The next prime is 442304183. The reversal of 442304141 is 141403244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441210025 + 1094116 = 21005^2 + 1046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442304141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442304131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221152070 + 221152071.

It is an arithmetic number, because the mean of its divisors is an integer number (221152071).

Almost surely, 2^442304141 is an apocalyptic number.

It is an amenable number.

442304141 is a deficient number, since it is larger than the sum of its proper divisors (1).

442304141 is an equidigital number, since it uses as much as digits as its factorization.

442304141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 442304141 is about 21031.0280538066. The cubic root of 442304141 is about 761.9158387403.

Adding to 442304141 its reverse (141403244), we get a palindrome (583707385).

The spelling of 442304141 in words is "four hundred forty-two million, three hundred four thousand, one hundred forty-one".