45011 has 8 divisors (see below), whose sum is σ = 49920. Its totient is φ = 40392.
The previous prime is 45007. The next prime is 45013. The reversal of 45011 is 11054.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 45011 - 22 = 45007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 44983 and 45001.
It is not an unprimeable number, because it can be changed into a prime (45013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386 + ... + 488.
It is an arithmetic number, because the mean of its divisors is an integer number (6240).
245011 is an apocalyptic number.
45011 is a deficient number, since it is larger than the sum of its proper divisors (4909).
45011 is a wasteful number, since it uses less digits than its factorization.
45011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145.
The product of its (nonzero) digits is 20, while the sum is 11.
The square root of 45011 is about 212.1579600204. The cubic root of 45011 is about 35.5718310181.
Adding to 45011 its reverse (11054), we get a palindrome (56065).
It can be divided in two parts, 450 and 11, that multiplied together give a triangular number (4950 = T99).
The spelling of 45011 in words is "forty-five thousand, eleven".
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