11445800 has 48 divisors (see below), whose sum is σ = 26858400. Its totient is φ = 4536000.

The previous prime is 11445787. The next prime is 11445803. The reversal of 11445800 is 854411.

It is not an unprimeable number, because it can be changed into a prime (11445803) 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 11 ways as a sum of consecutive naturals, for example, 30011 + ... + 30389.

It is an arithmetic number, because the mean of its divisors is an integer number (559550).

Almost surely, 2^11445800 is an apocalyptic number.

11445800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11445800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13429200).

11445800 is an abundant number, since it is smaller than the sum of its proper divisors (15412600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11445800 is a wasteful number, since it uses less digits than its factorization.

11445800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 11445800 is about 3383.1641993849. The cubic root of 11445800 is about 225.3627071714.

The spelling of 11445800 in words is "eleven million, four hundred forty-five thousand, eight hundred".