11545434 has 12 divisors (see below), whose sum is σ = 25015146. Its totient is φ = 3848472.

The previous prime is 11545433. The next prime is 11545439. The reversal of 11545434 is 43454511.

It is a happy number.

11545434 is a `hidden beast` number, since 115 + 4 + 543 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11189025 + 356409 = 3345^2 + 597^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11545398 and 11545407.

It is not an unprimeable number, because it can be changed into a prime (11545433) 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 5 ways as a sum of consecutive naturals, for example, 320689 + ... + 320724.

Almost surely, 2^11545434 is an apocalyptic number.

11545434 is an abundant number, since it is smaller than the sum of its proper divisors (13469712).

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

11545434 is a wasteful number, since it uses less digits than its factorization.

11545434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641421 (or 641418 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 11545434 is about 3397.8572659840. The cubic root of 11545434 is about 226.0147352493.

Adding to 11545434 its reverse (43454511), we get a palindrome (54999945).

The spelling of 11545434 in words is "eleven million, five hundred forty-five thousand, four hundred thirty-four".