165160045 has 8 divisors (see below), whose sum is σ = 203548824. Its totient is φ = 128556864.

The previous prime is 165160019. The next prime is 165160097. The reversal of 165160045 is 540061561.

It can be written as a sum of positive squares in 4 ways, for example, as 45454564 + 119705481 = 6742^2 + 10941^2 .

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 165160045 - 2¹¹ = 165157997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165159995 and 165160022.

It is a congruent number.

It is an unprimeable number.

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, 446194 + ... + 446563.

It is an arithmetic number, because the mean of its divisors is an integer number (25443603).

Almost surely, 2^165160045 is an apocalyptic number.

It is an amenable number.

165160045 is a deficient number, since it is larger than the sum of its proper divisors (38388779).

165160045 is an equidigital number, since it uses as much as digits as its factorization.

165160045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892799.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 165160045 is about 12851.4608119077. The cubic root of 165160045 is about 548.6579344754.

The spelling of 165160045 in words is "one hundred sixty-five million, one hundred sixty thousand, forty-five".