113145669 has 36 divisors (see below), whose sum is σ = 202272096. Its totient is φ = 59675616.

The previous prime is 113145649. The next prime is 113145713. The reversal of 113145669 is 966541311.

It is not a de Polignac number, because 113145669 - 2⁷ = 113145541 is a prime.

It is a super-2 number, since 2×113145669² = 25603884826915122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113145649) 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 35 ways as a sum of consecutive naturals, for example, 5334 + ... + 15960.

Almost surely, 2^113145669 is an apocalyptic number.

It is an amenable number.

113145669 is a deficient number, since it is larger than the sum of its proper divisors (89126427).

113145669 is a wasteful number, since it uses less digits than its factorization.

113145669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666 (or 10650 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 113145669 is about 10636.9952994255. The cubic root of 113145669 is about 483.6664667575. Note that the first 3 decimals are identical.

The spelling of 113145669 in words is "one hundred thirteen million, one hundred forty-five thousand, six hundred sixty-nine".