45113161 has 4 divisors (see below), whose sum is σ = 46213524. Its totient is φ = 44012800.

The previous prime is 45113147. The next prime is 45113207. The reversal of 45113161 is 16131154.

45113161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6125625 + 38987536 = 2475^2 + 6244^2 .

It is a cyclic number.

It is not a de Polignac number, because 45113161 - 2⁹ = 45112649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45113261) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 550120 + ... + 550201.

It is an arithmetic number, because the mean of its divisors is an integer number (11553381).

Almost surely, 2^45113161 is an apocalyptic number.

45113161 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45113161 is a deficient number, since it is larger than the sum of its proper divisors (1100363).

45113161 is a wasteful number, since it uses less digits than its factorization.

45113161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100362.

The product of its digits is 360, while the sum is 22.

The square root of 45113161 is about 6716.6331595525. The cubic root of 45113161 is about 355.9872302157.

The spelling of 45113161 in words is "forty-five million, one hundred thirteen thousand, one hundred sixty-one".