45558138 has 8 divisors (see below), whose sum is σ = 91116288. Its totient is φ = 15186044.

The previous prime is 45558077. The next prime is 45558167. The reversal of 45558138 is 83185554.

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

45558138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 45558096 and 45558105.

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, 3796506 + ... + 3796517.

It is an arithmetic number, because the mean of its divisors is an integer number (11389536).

Almost surely, 2^45558138 is an apocalyptic number.

45558138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45558138 is a wasteful number, since it uses less digits than its factorization.

45558138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593028.

The product of its digits is 96000, while the sum is 39.

The square root of 45558138 is about 6749.6768811551. The cubic root of 45558138 is about 357.1538383976.

The spelling of 45558138 in words is "forty-five million, five hundred fifty-eight thousand, one hundred thirty-eight".