45818646 has 8 divisors (see below), whose sum is σ = 91637304. Its totient is φ = 15272880.

The previous prime is 45818627. The next prime is 45818681. The reversal of 45818646 is 64681854.

45818646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

45818646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 45818598 and 45818607.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3818215 + ... + 3818226.

It is an arithmetic number, because the mean of its divisors is an integer number (11454663).

Almost surely, 2^45818646 is an apocalyptic number.

45818646 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.

45818646 is a wasteful number, since it uses less digits than its factorization.

45818646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636446.

The product of its digits is 184320, while the sum is 42.

The square root of 45818646 is about 6768.9471854935. The cubic root of 45818646 is about 357.8332973337.

It can be divided in two parts, 45818 and 646, that added together give a palindrome (46464).

The spelling of 45818646 in words is "forty-five million, eight hundred eighteen thousand, six hundred forty-six".