111142484 has 12 divisors (see below), whose sum is σ = 198169524. Its totient is φ = 54522624.

The previous prime is 111142469. The next prime is 111142511. The reversal of 111142484 is 484241111.

It can be written as a sum of positive squares in 2 ways, for example, as 102010000 + 9132484 = 10100^2 + 3022^2 .

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, 261917 + ... + 262340.

It is an arithmetic number, because the mean of its divisors is an integer number (16514127).

Almost surely, 2^111142484 is an apocalyptic number.

It is an amenable number.

111142484 is a deficient number, since it is larger than the sum of its proper divisors (87027040).

111142484 is a wasteful number, since it uses less digits than its factorization.

111142484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524314 (or 524312 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The square root of 111142484 is about 10542.4135756477. The cubic root of 111142484 is about 480.7951000467.

Adding to 111142484 its reverse (484241111), we get a palindrome (595383595).

The spelling of 111142484 in words is "one hundred eleven million, one hundred forty-two thousand, four hundred eighty-four".