442158741 has 12 divisors (see below), whose sum is σ = 641417868. Its totient is φ = 293505984.

The previous prime is 442158733. The next prime is 442158749. The reversal of 442158741 is 147851244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442158733) and next prime (442158749).

It can be written as a sum of positive squares in 2 ways, for example, as 291384900 + 150773841 = 17070^2 + 12279^2 .

It is not a de Polignac number, because 442158741 - 2³ = 442158733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442158696 and 442158705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442158749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103330 + ... + 107523.

It is an arithmetic number, because the mean of its divisors is an integer number (53451489).

Almost surely, 2^442158741 is an apocalyptic number.

It is an amenable number.

442158741 is a deficient number, since it is larger than the sum of its proper divisors (199259127).

442158741 is a wasteful number, since it uses less digits than its factorization.

442158741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211092 (or 211089 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 442158741 is about 21027.5709724162. The cubic root of 442158741 is about 761.8323406115.

The spelling of 442158741 in words is "four hundred forty-two million, one hundred fifty-eight thousand, seven hundred forty-one".