113445555 has 16 divisors (see below), whose sum is σ = 182630400. Its totient is φ = 60131808.

The previous prime is 113445533. The next prime is 113445571. The reversal of 113445555 is 555544311.

It is not a de Polignac number, because 113445555 - 2⁶ = 113445491 is a prime.

It is a plaindrome in base 10.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20755 + ... + 25644.

It is an arithmetic number, because the mean of its divisors is an integer number (11414400).

Almost surely, 2^113445555 is an apocalyptic number.

113445555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113445555 is a deficient number, since it is larger than the sum of its proper divisors (69184845).

113445555 is a wasteful number, since it uses less digits than its factorization.

113445555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46570.

The product of its digits is 30000, while the sum is 33.

The square root of 113445555 is about 10651.0823393681. The cubic root of 113445555 is about 484.0933997175.

Adding to 113445555 its reverse (555544311), we get a palindrome (668989866).

The spelling of 113445555 in words is "one hundred thirteen million, four hundred forty-five thousand, five hundred fifty-five".