45577221 has 8 divisors (see below), whose sum is σ = 64344384. Its totient is φ = 28597440.

The previous prime is 45577211. The next prime is 45577247. The reversal of 45577221 is 12277554.

45577221 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 not a de Polignac number, because 45577221 - 2⁶ = 45577157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45577201) 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 7 ways as a sum of consecutive naturals, for example, 446785 + ... + 446886.

It is an arithmetic number, because the mean of its divisors is an integer number (8043048).

Almost surely, 2^45577221 is an apocalyptic number.

It is an amenable number.

45577221 is a deficient number, since it is larger than the sum of its proper divisors (18767163).

45577221 is a wasteful number, since it uses less digits than its factorization.

45577221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893691.

The product of its digits is 19600, while the sum is 33.

The square root of 45577221 is about 6751.0903563795. The cubic root of 45577221 is about 357.2036986099.

The spelling of 45577221 in words is "forty-five million, five hundred seventy-seven thousand, two hundred twenty-one".