455938165 has 8 divisors (see below), whose sum is σ = 547254360. Its totient is φ = 364664832.

The previous prime is 455938141. The next prime is 455938183. The reversal of 455938165 is 561839554.

It can be written as a sum of positive squares in 4 ways, for example, as 117635716 + 338302449 = 10846^2 + 18393^2 .

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 455938165 - 2¹⁹ = 455413877 is a prime.

It is a super-2 number, since 2×455938165² = 415759220607134450, which contains 22 as substring.

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, 21501 + ... + 37069.

It is an arithmetic number, because the mean of its divisors is an integer number (68406795).

Almost surely, 2^455938165 is an apocalyptic number.

It is an amenable number.

455938165 is a deficient number, since it is larger than the sum of its proper divisors (91316195).

455938165 is a wasteful number, since it uses less digits than its factorization.

455938165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21431.

The product of its digits is 648000, while the sum is 46.

The square root of 455938165 is about 21352.7086103848. The cubic root of 455938165 is about 769.6654334447.

It can be divided in two parts, 4559 and 38165, that added together give a palindrome (42724).

The spelling of 455938165 in words is "four hundred fifty-five million, nine hundred thirty-eight thousand, one hundred sixty-five".