445149111 has 16 divisors (see below), whose sum is σ = 647948160. Its totient is φ = 269596320.

The previous prime is 445149091. The next prime is 445149113. The reversal of 445149111 is 111941544.

It is not a de Polignac number, because 445149111 - 2¹¹ = 445147063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445149113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52945 + ... + 60773.

It is an arithmetic number, because the mean of its divisors is an integer number (40496760).

Almost surely, 2^445149111 is an apocalyptic number.

445149111 is a deficient number, since it is larger than the sum of its proper divisors (202799049).

445149111 is a wasteful number, since it uses less digits than its factorization.

445149111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9566.

The product of its digits is 2880, while the sum is 30.

The square root of 445149111 is about 21098.5570833647. The cubic root of 445149111 is about 763.5459363226.

The spelling of 445149111 in words is "four hundred forty-five million, one hundred forty-nine thousand, one hundred eleven".