11442542 has 4 divisors (see below), whose sum is σ = 17163816. Its totient is φ = 5721270.

The previous prime is 11442533. The next prime is 11442553. The reversal of 11442542 is 24524411.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860634 + ... + 2860637.

It is an arithmetic number, because the mean of its divisors is an integer number (4290954).

Almost surely, 2^11442542 is an apocalyptic number.

11442542 is a deficient number, since it is larger than the sum of its proper divisors (5721274).

11442542 is an equidigital number, since it uses as much as digits as its factorization.

11442542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721273.

The product of its digits is 1280, while the sum is 23.

The square root of 11442542 is about 3382.6826632127. The cubic root of 11442542 is about 225.3413222856.

Adding to 11442542 its reverse (24524411), we get a palindrome (35966953).

The spelling of 11442542 in words is "eleven million, four hundred forty-two thousand, five hundred forty-two".