442502101 has 8 divisors (see below), whose sum is σ = 445442624. Its totient is φ = 439568640.

The previous prime is 442502057. The next prime is 442502119. The reversal of 442502101 is 101205244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442502101 - 2⁷ = 442501973 is a prime.

It is a super-3 number, since 3×442502101³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442502161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185446 + ... + 187816.

It is an arithmetic number, because the mean of its divisors is an integer number (55680328).

Almost surely, 2^442502101 is an apocalyptic number.

It is an amenable number.

442502101 is a deficient number, since it is larger than the sum of its proper divisors (2940523).

442502101 is a wasteful number, since it uses less digits than its factorization.

442502101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 442502101 is about 21035.7339068548. The cubic root of 442502101 is about 762.0294908250.

Adding to 442502101 its reverse (101205244), we get a palindrome (543707345).

The spelling of 442502101 in words is "four hundred forty-two million, five hundred two thousand, one hundred one".