45169673 has 4 divisors (see below), whose sum is σ = 45337860. Its totient is φ = 45001488.

The previous prime is 45169643. The next prime is 45169693. The reversal of 45169673 is 37696154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37696154 = 2 ⋅18848077.

It can be written as a sum of positive squares in 2 ways, for example, as 9504889 + 35664784 = 3083^2 + 5972^2 .

It is a cyclic number.

It is not a de Polignac number, because 45169673 - 2⁸ = 45169417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45169673.

It is not an unprimeable number, because it can be changed into a prime (45169643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83690 + ... + 84227.

It is an arithmetic number, because the mean of its divisors is an integer number (11334465).

Almost surely, 2^45169673 is an apocalyptic number.

It is an amenable number.

45169673 is a deficient number, since it is larger than the sum of its proper divisors (168187).

45169673 is a wasteful number, since it uses less digits than its factorization.

45169673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168186.

The product of its digits is 136080, while the sum is 41.

The square root of 45169673 is about 6720.8387125418. The cubic root of 45169673 is about 356.1358132863.

The spelling of 45169673 in words is "forty-five million, one hundred sixty-nine thousand, six hundred seventy-three".