45605578 has 8 divisors (see below), whose sum is σ = 68535072. Its totient is φ = 22760556.

The previous prime is 45605569. The next prime is 45605621. The reversal of 45605578 is 87550654.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45605578.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19750 + ... + 21937.

It is an arithmetic number, because the mean of its divisors is an integer number (8566884).

Almost surely, 2^45605578 is an apocalyptic number.

45605578 is a deficient number, since it is larger than the sum of its proper divisors (22929494).

45605578 is a wasteful number, since it uses less digits than its factorization.

45605578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42236.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 45605578 is about 6753.1902090790. The cubic root of 45605578 is about 357.2777643023.

The spelling of 45605578 in words is "forty-five million, six hundred five thousand, five hundred seventy-eight".