45641121 has 4 divisors (see below), whose sum is σ = 60854832. Its totient is φ = 30427412.

The previous prime is 45641093. The next prime is 45641129. The reversal of 45641121 is 12114654.

It is a happy number.

45641121 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 45641121 - 2¹¹ = 45639073 is a prime.

It is a super-2 number, since 2×45641121² = 4166223852273282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45641091 and 45641100.

It is not an unprimeable number, because it can be changed into a prime (45641129) 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, 7606851 + ... + 7606856.

It is an arithmetic number, because the mean of its divisors is an integer number (15213708).

Almost surely, 2^45641121 is an apocalyptic number.

It is an amenable number.

45641121 is a deficient number, since it is larger than the sum of its proper divisors (15213711).

45641121 is a wasteful number, since it uses less digits than its factorization.

45641121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15213710.

The product of its digits is 960, while the sum is 24.

The square root of 45641121 is about 6755.8212676180. The cubic root of 45641121 is about 357.3705557737.

Adding to 45641121 its reverse (12114654), we get a palindrome (57755775).

The spelling of 45641121 in words is "forty-five million, six hundred forty-one thousand, one hundred twenty-one".