45706321 has 4 divisors (see below), whose sum is σ = 46350144. Its totient is φ = 45062500.

The previous prime is 45706289. The next prime is 45706337. The reversal of 45706321 is 12360754.

45706321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45706321 - 2⁵ = 45706289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45706321.

It is not an unprimeable number, because it can be changed into a prime (45706361) by changing a digit.

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, 321805 + ... + 321946.

It is an arithmetic number, because the mean of its divisors is an integer number (11587536).

Almost surely, 2^45706321 is an apocalyptic number.

It is an amenable number.

45706321 is a deficient number, since it is larger than the sum of its proper divisors (643823).

45706321 is an equidigital number, since it uses as much as digits as its factorization.

45706321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643822.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 45706321 is about 6760.6450136063. The cubic root of 45706321 is about 357.5406470809.

The spelling of 45706321 in words is "forty-five million, seven hundred six thousand, three hundred twenty-one".