11142548 has 12 divisors (see below), whose sum is σ = 20646612. Its totient is φ = 5243520.

The previous prime is 11142539. The next prime is 11142553. The reversal of 11142548 is 84524111.

It can be written as a sum of positive squares in 2 ways, for example, as 3678724 + 7463824 = 1918^2 + 2732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81863 + ... + 81998.

It is an arithmetic number, because the mean of its divisors is an integer number (1720551).

Almost surely, 2^11142548 is an apocalyptic number.

It is an amenable number.

11142548 is a deficient number, since it is larger than the sum of its proper divisors (9504064).

11142548 is a wasteful number, since it uses less digits than its factorization.

11142548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163882 (or 163880 counting only the distinct ones).

The product of its digits is 1280, while the sum is 26.

The square root of 11142548 is about 3338.0455359387. The cubic root of 11142548 is about 223.3545674224.

Adding to 11142548 its reverse (84524111), we get a palindrome (95666659).

The spelling of 11142548 in words is "eleven million, one hundred forty-two thousand, five hundred forty-eight".