45189605 has 8 divisors (see below), whose sum is σ = 54351000. Its totient is φ = 36069376.

The previous prime is 45189601. The next prime is 45189611. The reversal of 45189605 is 50698154.

45189605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14730244 + 30459361 = 3838^2 + 5519^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45189605 - 2² = 45189601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45189601) 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 7 ways as a sum of consecutive naturals, for example, 7820 + ... + 12309.

It is an arithmetic number, because the mean of its divisors is an integer number (6793875).

Almost surely, 2^45189605 is an apocalyptic number.

It is an amenable number.

45189605 is a deficient number, since it is larger than the sum of its proper divisors (9161395).

45189605 is a wasteful number, since it uses less digits than its factorization.

45189605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20583.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 45189605 is about 6722.3213996357. The cubic root of 45189605 is about 356.1881895431.

The spelling of 45189605 in words is "forty-five million, one hundred eighty-nine thousand, six hundred five".