11744142 has 8 divisors (see below), whose sum is σ = 23488296. Its totient is φ = 3914712.

The previous prime is 11744137. The next prime is 11744143. The reversal of 11744142 is 24144711.

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

11744142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11744143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978673 + ... + 978684.

It is an arithmetic number, because the mean of its divisors is an integer number (2936037).

Almost surely, 2^11744142 is an apocalyptic number.

11744142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11744142 is a wasteful number, since it uses less digits than its factorization.

11744142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957362.

The product of its digits is 896, while the sum is 24.

The square root of 11744142 is about 3426.9727165532. The cubic root of 11744142 is about 227.3040102490.

Adding to 11744142 its reverse (24144711), we get a palindrome (35888853).

The spelling of 11744142 in words is "eleven million, seven hundred forty-four thousand, one hundred forty-two".