545072165 has 8 divisors (see below), whose sum is σ = 713549088. Its totient is φ = 396416080.

The previous prime is 545072161. The next prime is 545072167. The reversal of 545072165 is 561270545.

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

It is not a de Polignac number, because 545072165 - 2² = 545072161 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545072161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955147 + ... + 4955256.

It is an arithmetic number, because the mean of its divisors is an integer number (89193636).

Almost surely, 2^545072165 is an apocalyptic number.

545072165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545072165 is a deficient number, since it is larger than the sum of its proper divisors (168476923).

545072165 is a wasteful number, since it uses less digits than its factorization.

545072165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910419.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 545072165 is about 23346.7806131809. The cubic root of 545072165 is about 816.8669684075.

The spelling of 545072165 in words is "five hundred forty-five million, seventy-two thousand, one hundred sixty-five".