8113445 has 8 divisors (see below), whose sum is σ = 9786744. Its totient is φ = 6457024.

The previous prime is 8113421. The next prime is 8113447. The reversal of 8113445 is 5443118.

It can be written as a sum of positive squares in 4 ways, for example, as 3452164 + 4661281 = 1858^2 + 2159^2 .

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 8113445 - 2¹⁶ = 8047909 is a prime.

It is a super-3 number, since 3×8113445³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8113447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3134 + ... + 5103.

It is an arithmetic number, because the mean of its divisors is an integer number (1223343).

Almost surely, 2^8113445 is an apocalyptic number.

It is an amenable number.

8113445 is a deficient number, since it is larger than the sum of its proper divisors (1673299).

8113445 is a wasteful number, since it uses less digits than its factorization.

8113445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439.

The product of its digits is 1920, while the sum is 26.

The square root of 8113445 is about 2848.4109605182. The cubic root of 8113445 is about 200.9409412059.

It can be divided in two parts, 8113 and 445, that added together give a palindrome (8558).

The spelling of 8113445 in words is "eight million, one hundred thirteen thousand, four hundred forty-five".