111542434 has 16 divisors (see below), whose sum is σ = 169527456. Its totient is φ = 55036800.

The previous prime is 111542429. The next prime is 111542441. The reversal of 111542434 is 434245111.

It is a super-3 number, since 3×111542434³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111542399 and 111542408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94669 + ... + 95839.

It is an arithmetic number, because the mean of its divisors is an integer number (10595466).

Almost surely, 2^111542434 is an apocalyptic number.

111542434 is a deficient number, since it is larger than the sum of its proper divisors (57985022).

111542434 is a wasteful number, since it uses less digits than its factorization.

111542434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761.

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

The square root of 111542434 is about 10561.3651579708. The cubic root of 111542434 is about 481.3711288059.

Adding to 111542434 its reverse (434245111), we get a palindrome (545787545).

The spelling of 111542434 in words is "one hundred eleven million, five hundred forty-two thousand, four hundred thirty-four".