111303345 has 32 divisors (see below), whose sum is σ = 182916864. Its totient is φ = 57772800.

The previous prime is 111303331. The next prime is 111303347. The reversal of 111303345 is 543303111.

It is not a de Polignac number, because 111303345 - 2⁷ = 111303217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111303347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93655 + ... + 94835.

It is an arithmetic number, because the mean of its divisors is an integer number (5716152).

Almost surely, 2^111303345 is an apocalyptic number.

111303345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111303345 is a deficient number, since it is larger than the sum of its proper divisors (71613519).

111303345 is a wasteful number, since it uses less digits than its factorization.

111303345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 111303345 is about 10550.0400473174. The cubic root of 111303345 is about 481.0269462762.

Adding to 111303345 its reverse (543303111), we get a palindrome (654606456).

The spelling of 111303345 in words is "one hundred eleven million, three hundred three thousand, three hundred forty-five".