2011044145 has 16 divisors (see below), whose sum is σ = 2665969920. Its totient is φ = 1444060800.

The previous prime is 2011044143. The next prime is 2011044149. The reversal of 2011044145 is 5414401102.

It is not a de Polignac number, because 2011044145 - 2¹ = 2011044143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011044143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227076 + ... + 235765.

It is an arithmetic number, because the mean of its divisors is an integer number (166623120).

Almost surely, 2^2011044145 is an apocalyptic number.

It is an amenable number.

2011044145 is a deficient number, since it is larger than the sum of its proper divisors (654925775).

2011044145 is a wasteful number, since it uses less digits than its factorization.

2011044145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462936.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2011044145 is about 44844.6668512545. Note that the first 3 decimals coincide. The cubic root of 2011044145 is about 1262.2359192776.

Adding to 2011044145 its reverse (5414401102), we get a palindrome (7425445247).

The spelling of 2011044145 in words is "two billion, eleven million, forty-four thousand, one hundred forty-five".