45500165 has 4 divisors (see below), whose sum is σ = 54600204. Its totient is φ = 36400128.

The previous prime is 45500123. The next prime is 45500167. The reversal of 45500165 is 56100554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56100554 = 2 ⋅28050277.

It can be written as a sum of positive squares in 2 ways, for example, as 34304449 + 11195716 = 5857^2 + 3346^2 .

It is a cyclic number.

It is not a de Polignac number, because 45500165 - 2¹⁰ = 45499141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45500167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4550012 + ... + 4550021.

It is an arithmetic number, because the mean of its divisors is an integer number (13650051).

Almost surely, 2^45500165 is an apocalyptic number.

It is an amenable number.

45500165 is a deficient number, since it is larger than the sum of its proper divisors (9100039).

45500165 is an equidigital number, since it uses as much as digits as its factorization.

45500165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100038.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 45500165 is about 6745.3810122187. The cubic root of 45500165 is about 357.0022806363.

The spelling of 45500165 in words is "forty-five million, five hundred thousand, one hundred sixty-five".