45578258 has 16 divisors (see below), whose sum is σ = 78970464. Its totient is φ = 19498560.

The previous prime is 45578243. The next prime is 45578261. The reversal of 45578258 is 85287554.

45578258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 60560 + ... + 61307.

It is an arithmetic number, because the mean of its divisors is an integer number (4935654).

Almost surely, 2^45578258 is an apocalyptic number.

45578258 is a deficient number, since it is larger than the sum of its proper divisors (33392206).

45578258 is a wasteful number, since it uses less digits than its factorization.

45578258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121897.

The product of its digits is 448000, while the sum is 44.

The square root of 45578258 is about 6751.1671583512. The cubic root of 45578258 is about 357.2064076930.

The spelling of 45578258 in words is "forty-five million, five hundred seventy-eight thousand, two hundred fifty-eight".