42605165 has 8 divisors (see below), whose sum is σ = 51219168. Its totient is φ = 34022160.

The previous prime is 42605141. The next prime is 42605237. The reversal of 42605165 is 56150624.

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

It is not a de Polignac number, because 42605165 - 2¹⁰ = 42604141 is a prime.

It is a Duffinian number.

It is a congruent 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, 4607 + ... + 10316.

It is an arithmetic number, because the mean of its divisors is an integer number (6402396).

Almost surely, 2^42605165 is an apocalyptic number.

It is an amenable number.

42605165 is a deficient number, since it is larger than the sum of its proper divisors (8614003).

42605165 is a wasteful number, since it uses less digits than its factorization.

42605165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15499.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 42605165 is about 6527.2632090333. The cubic root of 42605165 is about 349.2642093635.

Adding to 42605165 its reverse (56150624), we get a palindrome (98755789).

The spelling of 42605165 in words is "forty-two million, six hundred five thousand, one hundred sixty-five".