113145443 has 16 divisors (see below), whose sum is σ = 121896960. Its totient is φ = 104781600.

The previous prime is 113145413. The next prime is 113145463. The reversal of 113145443 is 344541311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113145443 - 2⁸ = 113145187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113145413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113678 + ... + 114668.

It is an arithmetic number, because the mean of its divisors is an integer number (7618560).

Almost surely, 2^113145443 is an apocalyptic number.

113145443 is a deficient number, since it is larger than the sum of its proper divisors (8751517).

113145443 is a wasteful number, since it uses less digits than its factorization.

113145443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178.

The product of its digits is 2880, while the sum is 26.

The square root of 113145443 is about 10636.9846761194. The cubic root of 113145443 is about 483.6661447281. Note that the first 3 decimals are identical.

Adding to 113145443 its reverse (344541311), we get a palindrome (457686754).

The spelling of 113145443 in words is "one hundred thirteen million, one hundred forty-five thousand, four hundred forty-three".