100442065 has 8 divisors (see below), whose sum is σ = 120604968. Its totient is φ = 80304000.

The previous prime is 100442059. The next prime is 100442071. The reversal of 100442065 is 560244001.

It is an interprime number because it is at equal distance from previous prime (100442059) and next prime (100442071).

It can be written as a sum of positive squares in 4 ways, for example, as 17048641 + 83393424 = 4129^2 + 9132^2 .

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

It is not a de Polignac number, because 100442065 - 2⁹ = 100441553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4315 + ... + 14815.

It is an arithmetic number, because the mean of its divisors is an integer number (15075621).

Almost surely, 2^100442065 is an apocalyptic number.

It is an amenable number.

100442065 is a deficient number, since it is larger than the sum of its proper divisors (20162903).

100442065 is a wasteful number, since it uses less digits than its factorization.

100442065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12419.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 100442065 is about 10022.0788761614. The cubic root of 100442065 is about 464.8418393006.

Adding to 100442065 its reverse (560244001), we get a palindrome (660686066).

The spelling of 100442065 in words is "one hundred million, four hundred forty-two thousand, sixty-five".