113145163 has 4 divisors (see below), whose sum is σ = 113681608. Its totient is φ = 112608720.

The previous prime is 113145127. The next prime is 113145181. The reversal of 113145163 is 361541311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361541311 = 227 ⋅1592693.

It is a cyclic number.

It is not a de Polignac number, because 113145163 - 2¹⁷ = 113014091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113145463) 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 3 ways as a sum of consecutive naturals, for example, 267906 + ... + 268327.

It is an arithmetic number, because the mean of its divisors is an integer number (28420402).

Almost surely, 2^113145163 is an apocalyptic number.

113145163 is a deficient number, since it is larger than the sum of its proper divisors (536445).

113145163 is an equidigital number, since it uses as much as digits as its factorization.

113145163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536444.

The product of its digits is 1080, while the sum is 25.

The square root of 113145163 is about 10636.9715144866. The cubic root of 113145163 is about 483.6657457530.

Adding to 113145163 its reverse (361541311), we get a palindrome (474686474).

The spelling of 113145163 in words is "one hundred thirteen million, one hundred forty-five thousand, one hundred sixty-three".