113522645 has 8 divisors (see below), whose sum is σ = 139550040. Its totient is φ = 88602880.

The previous prime is 113522627. The next prime is 113522677. The reversal of 113522645 is 546225311.

It can be written as a sum of positive squares in 4 ways, for example, as 1522756 + 111999889 = 1234^2 + 10583^2 .

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

It is not a de Polignac number, because 113522645 - 2⁶ = 113522581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276680 + ... + 277089.

It is an arithmetic number, because the mean of its divisors is an integer number (17443755).

Almost surely, 2^113522645 is an apocalyptic number.

It is an amenable number.

113522645 is a deficient number, since it is larger than the sum of its proper divisors (26027395).

113522645 is an equidigital number, since it uses as much as digits as its factorization.

113522645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553815.

The product of its digits is 7200, while the sum is 29.

The square root of 113522645 is about 10654.7006058359. The cubic root of 113522645 is about 484.2030273718.

Adding to 113522645 its reverse (546225311), we get a palindrome (659747956).

The spelling of 113522645 in words is "one hundred thirteen million, five hundred twenty-two thousand, six hundred forty-five".