45016165 has 4 divisors (see below), whose sum is σ = 54019404. Its totient is φ = 36012928.

The previous prime is 45016163. The next prime is 45016193. The reversal of 45016165 is 56161054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56161054 = 2 ⋅28080527.

It can be written as a sum of positive squares in 2 ways, for example, as 28879876 + 16136289 = 5374^2 + 4017^2 .

It is a cyclic number.

It is not a de Polignac number, because 45016165 - 2¹ = 45016163 is a prime.

It is a super-2 number, since 2×45016165² = 4052910222614450, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45016163) 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, 4501612 + ... + 4501621.

It is an arithmetic number, because the mean of its divisors is an integer number (13504851).

Almost surely, 2^45016165 is an apocalyptic number.

It is an amenable number.

45016165 is a deficient number, since it is larger than the sum of its proper divisors (9003239).

45016165 is an equidigital number, since it uses as much as digits as its factorization.

45016165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9003238.

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

The square root of 45016165 is about 6709.4086922768. The cubic root of 45016165 is about 355.7319158541.

The spelling of 45016165 in words is "forty-five million, sixteen thousand, one hundred sixty-five".