445261165 has 8 divisors (see below), whose sum is σ = 534582648. Its totient is φ = 356029440.

The previous prime is 445261123. The next prime is 445261171. The reversal of 445261165 is 561162544.

It can be written as a sum of positive squares in 4 ways, for example, as 32114889 + 413146276 = 5667^2 + 20326^2 .

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

It is not a de Polignac number, because 445261165 - 2¹⁵ = 445228397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445261165.

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, 10992 + ... + 31801.

It is an arithmetic number, because the mean of its divisors is an integer number (66822831).

Almost surely, 2^445261165 is an apocalyptic number.

It is an amenable number.

445261165 is a deficient number, since it is larger than the sum of its proper divisors (89321483).

445261165 is a wasteful number, since it uses less digits than its factorization.

445261165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44879.

The product of its digits is 28800, while the sum is 34.

The square root of 445261165 is about 21101.2124059259. The cubic root of 445261165 is about 763.6099981513.

The spelling of 445261165 in words is "four hundred forty-five million, two hundred sixty-one thousand, one hundred sixty-five".