11443542 has 32 divisors (see below), whose sum is σ = 25280640. Its totient is φ = 3424320.

The previous prime is 11443519. The next prime is 11443561. The reversal of 11443542 is 24534411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4434 + ... + 6522.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 2^11443542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11443542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12640320).

11443542 is an abundant number, since it is smaller than the sum of its proper divisors (13837098).

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

11443542 is a wasteful number, since it uses less digits than its factorization.

11443542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its digits is 1920, while the sum is 24.

The square root of 11443542 is about 3382.8304716613. The cubic root of 11443542 is about 225.3478865251.

Adding to 11443542 its reverse (24534411), we get a palindrome (35977953).

The spelling of 11443542 in words is "eleven million, four hundred forty-three thousand, five hundred forty-two".