113445785 has 8 divisors (see below), whose sum is σ = 137340360. Its totient is φ = 89953024.

The previous prime is 113445781. The next prime is 113445793. The reversal of 113445785 is 587544311.

It can be written as a sum of positive squares in 4 ways, for example, as 491401 + 112954384 = 701^2 + 10628^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113445785 - 2² = 113445781 is a prime.

It is a super-2 number, since 2×113445785² = 25739892268532450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113445781) 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 7 ways as a sum of consecutive naturals, for example, 99830 + ... + 100959.

It is an arithmetic number, because the mean of its divisors is an integer number (17167545).

Almost surely, 2^113445785 is an apocalyptic number.

It is an amenable number.

113445785 is a deficient number, since it is larger than the sum of its proper divisors (23894575).

113445785 is a wasteful number, since it uses less digits than its factorization.

113445785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200907.

The product of its digits is 67200, while the sum is 38.

The square root of 113445785 is about 10651.0931363875. The cubic root of 113445785 is about 484.0937268683.

The spelling of 113445785 in words is "one hundred thirteen million, four hundred forty-five thousand, seven hundred eighty-five".