11545442 has 4 divisors (see below), whose sum is σ = 17318166. Its totient is φ = 5772720.

The previous prime is 11545439. The next prime is 11545459. The reversal of 11545442 is 24454511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11162281 + 383161 = 3341^2 + 619^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2886359 + ... + 2886362.

Almost surely, 2^11545442 is an apocalyptic number.

11545442 is a deficient number, since it is larger than the sum of its proper divisors (5772724).

11545442 is an equidigital number, since it uses as much as digits as its factorization.

11545442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772723.

The product of its digits is 3200, while the sum is 26.

The square root of 11545442 is about 3397.8584431962. The cubic root of 11545442 is about 226.0147874523.

Adding to 11545442 its reverse (24454511), we get a palindrome (35999953).

The spelling of 11545442 in words is "eleven million, five hundred forty-five thousand, four hundred forty-two".