442242141 has 16 divisors (see below), whose sum is σ = 665444160. Its totient is φ = 258782720.

The previous prime is 442242133. The next prime is 442242161. The reversal of 442242141 is 141242244.

It is a cyclic number.

It is not a de Polignac number, because 442242141 - 2³ = 442242133 is a prime.

It is a super-2 number, since 2×442242141² = 391156222552527762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442242161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230100 + ... + 232013.

It is an arithmetic number, because the mean of its divisors is an integer number (41590260).

Almost surely, 2^442242141 is an apocalyptic number.

It is an amenable number.

442242141 is a deficient number, since it is larger than the sum of its proper divisors (223202019).

442242141 is a wasteful number, since it uses less digits than its factorization.

442242141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462156.

The product of its digits is 2048, while the sum is 24.

The square root of 442242141 is about 21029.5539895643. The cubic root of 442242141 is about 761.8802365494.

Adding to 442242141 its reverse (141242244), we get a palindrome (583484385).

The spelling of 442242141 in words is "four hundred forty-two million, two hundred forty-two thousand, one hundred forty-one".