113887745 has 8 divisors (see below), whose sum is σ = 136964520. Its totient is φ = 90910720.

The previous prime is 113887733. The next prime is 113887747. The reversal of 113887745 is 547788311.

It can be written as a sum of positive squares in 4 ways, for example, as 3301489 + 110586256 = 1817^2 + 10516^2 .

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

It is not a de Polignac number, because 113887745 - 2¹⁶ = 113822209 is a prime.

It is a super-2 number, since 2×113887745² = 25940836922370050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113887696 and 113887705.

It is not an unprimeable number, because it can be changed into a prime (113887747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22400 + ... + 27009.

It is an arithmetic number, because the mean of its divisors is an integer number (17120565).

Almost surely, 2^113887745 is an apocalyptic number.

It is an amenable number.

113887745 is a deficient number, since it is larger than the sum of its proper divisors (23076775).

113887745 is an equidigital number, since it uses as much as digits as its factorization.

113887745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49875.

The product of its digits is 188160, while the sum is 44.

The square root of 113887745 is about 10671.8201352909. The cubic root of 113887745 is about 484.7215534230.

The spelling of 113887745 in words is "one hundred thirteen million, eight hundred eighty-seven thousand, seven hundred forty-five".