11000142 has 24 divisors (see below), whose sum is σ = 23910120. Its totient is φ = 3654960.

The previous prime is 11000113. The next prime is 11000149. The reversal of 11000142 is 24100011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6217 + ... + 7787.

It is an arithmetic number, because the mean of its divisors is an integer number (996255).

Almost surely, 2^11000142 is an apocalyptic number.

11000142 is an abundant number, since it is smaller than the sum of its proper divisors (12909978).

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

11000142 is a wasteful number, since it uses less digits than its factorization.

11000142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 11000142 is about 3316.6461975918. The cubic root of 11000142 is about 222.3989660382.

Adding to 11000142 its reverse (24100011), we get a palindrome (35100153).

The spelling of 11000142 in words is "eleven million, one hundred forty-two", and thus it is an aban number.