45646 has 8 divisors (see below), whose sum is σ = 70920. Its totient is φ = 22008.

The previous prime is 45641. The next prime is 45659. The reversal of 45646 is 64654.

It is a happy number.

45646 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.

It is a self number, because there is not a number n which added to its sum of digits gives 45646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45641) 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, 336 + ... + 451.

It is an arithmetic number, because the mean of its divisors is an integer number (8865).

2⁴⁵⁶⁴⁶ is an apocalyptic number.

45646 is a deficient number, since it is larger than the sum of its proper divisors (25274).

45646 is a wasteful number, since it uses less digits than its factorization.

45646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818.

The product of its digits is 2880, while the sum is 25.

The square root of 45646 is about 213.6492452596. The cubic root of 45646 is about 35.7383289531.

The spelling of 45646 in words is "forty-five thousand, six hundred forty-six".