45112211 has 4 divisors (see below), whose sum is σ = 45382512. Its totient is φ = 44841912.

The previous prime is 45112189. The next prime is 45112241. The reversal of 45112211 is 11221154.

45112211 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.

It is a cyclic number.

It is not a de Polignac number, because 45112211 - 2⁶ = 45112147 is a prime.

It is a super-2 number, since 2×45112211² = 4070223162617042, which contains 22 as substring.

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 45112211.

It is not an unprimeable number, because it can be changed into a prime (45112241) 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, 134900 + ... + 135233.

It is an arithmetic number, because the mean of its divisors is an integer number (11345628).

Almost surely, 2^45112211 is an apocalyptic number.

45112211 is a deficient number, since it is larger than the sum of its proper divisors (270301).

45112211 is a wasteful number, since it uses less digits than its factorization.

45112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270300.

The product of its digits is 80, while the sum is 17.

The square root of 45112211 is about 6716.5624392244. The cubic root of 45112211 is about 355.9847313866.

Adding to 45112211 its reverse (11221154), we get a palindrome (56333365).

The spelling of 45112211 in words is "forty-five million, one hundred twelve thousand, two hundred eleven".