111534442 has 8 divisors (see below), whose sum is σ = 167462532. Its totient is φ = 55713600.

The previous prime is 111534439. The next prime is 111534463. The reversal of 111534442 is 244435111.

It can be written as a sum of positive squares in 2 ways, for example, as 103002201 + 8532241 = 10149^2 + 2921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 24159 + ... + 28402.

Almost surely, 2^111534442 is an apocalyptic number.

111534442 is a deficient number, since it is larger than the sum of its proper divisors (55928090).

111534442 is a wasteful number, since it uses less digits than its factorization.

111534442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53624.

The product of its digits is 1920, while the sum is 25.

The square root of 111534442 is about 10560.9867910153. The cubic root of 111534442 is about 481.3596318063.

Adding to 111534442 its reverse (244435111), we get a palindrome (355969553).

The spelling of 111534442 in words is "one hundred eleven million, five hundred thirty-four thousand, four hundred forty-two".