45556646 has 8 divisors (see below), whose sum is σ = 68403144. Its totient is φ = 22755600.

The previous prime is 45556631. The next prime is 45556649. The reversal of 45556646 is 64665554.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45556649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8735 + ... + 12938.

It is an arithmetic number, because the mean of its divisors is an integer number (8550393).

Almost surely, 2^45556646 is an apocalyptic number.

45556646 is a deficient number, since it is larger than the sum of its proper divisors (22846498).

45556646 is a wasteful number, since it uses less digits than its factorization.

45556646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22726.

The product of its digits is 432000, while the sum is 41.

The square root of 45556646 is about 6749.5663564410. The cubic root of 45556646 is about 357.1499395015.

The spelling of 45556646 in words is "forty-five million, five hundred fifty-six thousand, six hundred forty-six".