2011453445 has 8 divisors (see below), whose sum is σ = 2491607040. Its totient is φ = 1557254160.

The previous prime is 2011453421. The next prime is 2011453453. The reversal of 2011453445 is 5443541102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011453445 - 2²⁶ = 1944344581 is a prime.

It is a super-2 number, since 2×2011453445² = 8091889922804736050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6488405 + ... + 6488714.

It is an arithmetic number, because the mean of its divisors is an integer number (311450880).

Almost surely, 2^2011453445 is an apocalyptic number.

It is an amenable number.

2011453445 is a deficient number, since it is larger than the sum of its proper divisors (480153595).

2011453445 is a wasteful number, since it uses less digits than its factorization.

2011453445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977155.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2011453445 is about 44849.2301494686. The cubic root of 2011453445 is about 1262.3215461260.

Adding to 2011453445 its reverse (5443541102), we get a palindrome (7454994547).

The spelling of 2011453445 in words is "two billion, eleven million, four hundred fifty-three thousand, four hundred forty-five".