113125445 has 4 divisors (see below), whose sum is σ = 135750540. Its totient is φ = 90500352.

The previous prime is 113125403. The next prime is 113125451. The reversal of 113125445 is 544521311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544521311 = 53 ⋅10273987.

It can be written as a sum of positive squares in 2 ways, for example, as 33166081 + 79959364 = 5759^2 + 8942^2 .

It is a cyclic number.

It is not a de Polignac number, because 113125445 - 2⁸ = 113125189 is a prime.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11312540 + ... + 11312549.

It is an arithmetic number, because the mean of its divisors is an integer number (33937635).

Almost surely, 2^113125445 is an apocalyptic number.

It is an amenable number.

113125445 is a deficient number, since it is larger than the sum of its proper divisors (22625095).

113125445 is an equidigital number, since it uses as much as digits as its factorization.

113125445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22625094.

The product of its digits is 2400, while the sum is 26.

The square root of 113125445 is about 10636.0446125428. The cubic root of 113125445 is about 483.6376477033.

Adding to 113125445 its reverse (544521311), we get a palindrome (657646756).

The spelling of 113125445 in words is "one hundred thirteen million, one hundred twenty-five thousand, four hundred forty-five".