111434445 has 12 divisors (see below), whose sum is σ = 193153116. Its totient is φ = 59431680.

The previous prime is 111434419. The next prime is 111434447. The reversal of 111434445 is 544434111.

It can be written as a sum of positive squares in 2 ways, for example, as 22867524 + 88566921 = 4782^2 + 9411^2 .

It is not a de Polignac number, because 111434445 - 2⁸ = 111434189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111434447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1238116 + ... + 1238205.

It is an arithmetic number, because the mean of its divisors is an integer number (16096093).

Almost surely, 2^111434445 is an apocalyptic number.

111434445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111434445 is a deficient number, since it is larger than the sum of its proper divisors (81718671).

111434445 is a wasteful number, since it uses less digits than its factorization.

111434445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476332 (or 2476329 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 111434445 is about 10556.2514653640. The cubic root of 111434445 is about 481.2157333222.

Adding to 111434445 its reverse (544434111), we get a palindrome (655868556).

The spelling of 111434445 in words is "one hundred eleven million, four hundred thirty-four thousand, four hundred forty-five".