11144642 has 8 divisors (see below), whose sum is σ = 17293500. Its totient is φ = 5380144.

The previous prime is 11144633. The next prime is 11144647. The reversal of 11144642 is 24644111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11015761 + 128881 = 3319^2 + 359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11144647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96017 + ... + 96132.

Almost surely, 2^11144642 is an apocalyptic number.

11144642 is a deficient number, since it is larger than the sum of its proper divisors (6148858).

11144642 is a wasteful number, since it uses less digits than its factorization.

11144642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192180.

The product of its digits is 768, while the sum is 23.

The square root of 11144642 is about 3338.3591777998. The cubic root of 11144642 is about 223.3685580934.

Adding to 11144642 its reverse (24644111), we get a palindrome (35788753).

The spelling of 11144642 in words is "eleven million, one hundred forty-four thousand, six hundred forty-two".