11545452 has 36 divisors (see below), whose sum is σ = 29601936. Its totient is φ = 3793440.

The previous prime is 11545439. The next prime is 11545459. The reversal of 11545452 is 25454511.

11545452 is a `hidden beast` number, since 115 + 4 + 545 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (11545459) 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, 298 + ... + 4814.

It is an arithmetic number, because the mean of its divisors is an integer number (822276).

Almost surely, 2^11545452 is an apocalyptic number.

11545452 is a gapful number since it is divisible by the number (12) 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 11545452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14800968).

11545452 is an abundant number, since it is smaller than the sum of its proper divisors (18056484).

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

11545452 is a wasteful number, since it uses less digits than its factorization.

11545452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598 (or 4593 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 11545452 is about 3397.8599147110. The cubic root of 11545452 is about 226.0148527060.

Adding to 11545452 its reverse (25454511), we get a palindrome (36999963).

The spelling of 11545452 in words is "eleven million, five hundred forty-five thousand, four hundred fifty-two".