11534142 has 16 divisors (see below), whose sum is σ = 23102352. Its totient is φ = 3839040.

The previous prime is 11534123. The next prime is 11534147. The reversal of 11534142 is 24143511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5842 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (1443897).

Almost surely, 2^11534142 is an apocalyptic number.

11534142 is an abundant number, since it is smaller than the sum of its proper divisors (11568210).

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

11534142 is a wasteful number, since it uses less digits than its factorization.

11534142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its digits is 480, while the sum is 21.

The square root of 11534142 is about 3396.1952240706. The cubic root of 11534142 is about 225.9410267198.

Adding to 11534142 its reverse (24143511), we get a palindrome (35677653).

The spelling of 11534142 in words is "eleven million, five hundred thirty-four thousand, one hundred forty-two".