11144142 has 20 divisors (see below), whose sum is σ = 24971496. Its totient is φ = 3714660.

The previous prime is 11144137. The next prime is 11144153. The reversal of 11144142 is 24144111.

11144142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34234 + ... + 34557.

Almost surely, 2^11144142 is an apocalyptic number.

11144142 is an abundant number, since it is smaller than the sum of its proper divisors (13827354).

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

11144142 is an equidigital number, since it uses as much as digits as its factorization.

11144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68805 (or 68796 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 11144142 is about 3338.2842898711. The cubic root of 11144142 is about 223.3652175958.

Adding to 11144142 its reverse (24144111), we get a palindrome (35288253).

It can be divided in two parts, 111 and 44142, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 11144142 in words is "eleven million, one hundred forty-four thousand, one hundred forty-two".