111345454 has 16 divisors (see below), whose sum is σ = 183818160. Its totient is φ = 50162560.

The previous prime is 111345439. The next prime is 111345457. The reversal of 111345454 is 454543111.

It is a super-2 number, since 2×111345454² = 24795620252932232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111345457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19909 + ... + 24880.

It is an arithmetic number, because the mean of its divisors is an integer number (11488635).

Almost surely, 2^111345454 is an apocalyptic number.

111345454 is a deficient number, since it is larger than the sum of its proper divisors (72472706).

111345454 is a wasteful number, since it uses less digits than its factorization.

111345454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44915.

The product of its digits is 4800, while the sum is 28.

The square root of 111345454 is about 10552.0355382267. The cubic root of 111345454 is about 481.0876003677.

Adding to 111345454 its reverse (454543111), we get a palindrome (565888565).

The spelling of 111345454 in words is "one hundred eleven million, three hundred forty-five thousand, four hundred fifty-four".