45445111 has 4 divisors (see below), whose sum is σ = 45746224. Its totient is φ = 45144000.

The previous prime is 45445087. The next prime is 45445121. The reversal of 45445111 is 11154454.

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 45445111 - 2¹⁷ = 45314039 is a prime.

It is a super-2 number, since 2×45445111² = 4130516227604642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150330 + ... + 150631.

It is an arithmetic number, because the mean of its divisors is an integer number (11436556).

Almost surely, 2^45445111 is an apocalyptic number.

45445111 is a deficient number, since it is larger than the sum of its proper divisors (301113).

45445111 is a wasteful number, since it uses less digits than its factorization.

45445111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301112.

The product of its digits is 1600, while the sum is 25.

The square root of 45445111 is about 6741.2989104475. The cubic root of 45445111 is about 356.8582347411.

Adding to 45445111 its reverse (11154454), we get a palindrome (56599565).

The spelling of 45445111 in words is "forty-five million, four hundred forty-five thousand, one hundred eleven".