113235145 has 8 divisors (see below), whose sum is σ = 137409480. Its totient is φ = 89569920.

The previous prime is 113235139. The next prime is 113235149. The reversal of 113235145 is 541532311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1784896 + 111450249 = 1336^2 + 10557^2 .

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

It is not a de Polignac number, because 113235145 - 2¹¹ = 113233097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113235149) 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 7 ways as a sum of consecutive naturals, for example, 126786 + ... + 127675.

It is an arithmetic number, because the mean of its divisors is an integer number (17176185).

Almost surely, 2^113235145 is an apocalyptic number.

It is an amenable number.

113235145 is a deficient number, since it is larger than the sum of its proper divisors (24174335).

113235145 is an equidigital number, since it uses as much as digits as its factorization.

113235145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254555.

The product of its digits is 1800, while the sum is 25.

The square root of 113235145 is about 10641.2003552231. The cubic root of 113235145 is about 483.7939282220.

Adding to 113235145 its reverse (541532311), we get a palindrome (654767456).

The spelling of 113235145 in words is "one hundred thirteen million, two hundred thirty-five thousand, one hundred forty-five".