113669945 has 8 divisors (see below), whose sum is σ = 137755080. Its totient is φ = 90035200.

The previous prime is 113669929. The next prime is 113669947. The reversal of 113669945 is 549966311.

It can be written as a sum of positive squares in 4 ways, for example, as 15342889 + 98327056 = 3917^2 + 9916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113669945 - 2⁴ = 113669929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113669896 and 113669905.

It is not an unprimeable number, because it can be changed into a prime (113669947) 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, 112040 + ... + 113049.

It is an arithmetic number, because the mean of its divisors is an integer number (17219385).

Almost surely, 2^113669945 is an apocalyptic number.

It is an amenable number.

113669945 is a deficient number, since it is larger than the sum of its proper divisors (24085135).

113669945 is a wasteful number, since it uses less digits than its factorization.

113669945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225195.

The product of its digits is 174960, while the sum is 44.

The square root of 113669945 is about 10661.6108070029. The cubic root of 113669945 is about 484.4123608782.

The spelling of 113669945 in words is "one hundred thirteen million, six hundred sixty-nine thousand, nine hundred forty-five".