113240144 has 10 divisors (see below), whose sum is σ = 219402810. Its totient is φ = 56620064.

The previous prime is 113240143. The next prime is 113240161. The reversal of 113240144 is 441042311.

It can be written as a sum of positive squares in only one way, i.e., 88360000 + 24880144 = 9400^2 + 4988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113240143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3538739 + ... + 3538770.

It is an arithmetic number, because the mean of its divisors is an integer number (21940281).

Almost surely, 2^113240144 is an apocalyptic number.

It is an amenable number.

113240144 is a deficient number, since it is larger than the sum of its proper divisors (106162666).

113240144 is an equidigital number, since it uses as much as digits as its factorization.

113240144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077517 (or 7077511 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 113240144 is about 10641.4352415452. The cubic root of 113240144 is about 483.8010474789.

Adding to 113240144 its reverse (441042311), we get a palindrome (554282455).

The spelling of 113240144 in words is "one hundred thirteen million, two hundred forty thousand, one hundred forty-four".