45564121 has 4 divisors (see below), whose sum is σ = 45765072. Its totient is φ = 45363172.

The previous prime is 45564089. The next prime is 45564139. The reversal of 45564121 is 12146554.

45564121 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 45564121 - 2⁵ = 45564089 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 45564121.

It is not an unprimeable number, because it can be changed into a prime (45561121) 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, 100135 + ... + 100588.

It is an arithmetic number, because the mean of its divisors is an integer number (11441268).

Almost surely, 2^45564121 is an apocalyptic number.

It is an amenable number.

45564121 is a deficient number, since it is larger than the sum of its proper divisors (200951).

45564121 is a wasteful number, since it uses less digits than its factorization.

45564121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200950.

The product of its digits is 4800, while the sum is 28.

The square root of 45564121 is about 6750.1200730061. The cubic root of 45564121 is about 357.1694723251.

The spelling of 45564121 in words is "forty-five million, five hundred sixty-four thousand, one hundred twenty-one".