113413645 has 4 divisors (see below), whose sum is σ = 136096380. Its totient is φ = 90730912.

The previous prime is 113413639. The next prime is 113413673. The reversal of 113413645 is 546314311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546314311 = 149 ⋅3666539.

It can be written as a sum of positive squares in 2 ways, for example, as 67864644 + 45549001 = 8238^2 + 6749^2 .

It is a cyclic number.

It is not a de Polignac number, because 113413645 - 2³ = 113413637 is a prime.

It is a super-3 number, since 3×113413645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11341360 + ... + 11341369.

It is an arithmetic number, because the mean of its divisors is an integer number (34024095).

Almost surely, 2^113413645 is an apocalyptic number.

It is an amenable number.

113413645 is a deficient number, since it is larger than the sum of its proper divisors (22682735).

113413645 is an equidigital number, since it uses as much as digits as its factorization.

113413645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22682734.

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

The square root of 113413645 is about 10649.5842641861. The cubic root of 113413645 is about 484.0480068152.

Adding to 113413645 its reverse (546314311), we get a palindrome (659727956).

The spelling of 113413645 in words is "one hundred thirteen million, four hundred thirteen thousand, six hundred forty-five".