113641345 has 8 divisors (see below), whose sum is σ = 144391464. Its totient is φ = 85565184.

The previous prime is 113641331. The next prime is 113641349. The reversal of 113641345 is 543146311.

It can be written as a sum of positive squares in 4 ways, for example, as 1874161 + 111767184 = 1369^2 + 10572^2 .

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 113641345 - 2¹⁵ = 113608577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113641349) 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, 668394 + ... + 668563.

It is an arithmetic number, because the mean of its divisors is an integer number (18048933).

Almost surely, 2^113641345 is an apocalyptic number.

It is an amenable number.

113641345 is a deficient number, since it is larger than the sum of its proper divisors (30750119).

113641345 is a wasteful number, since it uses less digits than its factorization.

113641345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336979.

The product of its digits is 4320, while the sum is 28.

The square root of 113641345 is about 10660.2694618851. The cubic root of 113641345 is about 484.3717305086.

Adding to 113641345 its reverse (543146311), we get a palindrome (656787656).

The spelling of 113641345 in words is "one hundred thirteen million, six hundred forty-one thousand, three hundred forty-five".