113243345442 has 48 divisors (see below), whose sum is σ = 248526520632. Its totient is φ = 37262937600.

The previous prime is 113243345377. The next prime is 113243345503. The reversal of 113243345442 is 244543342311.

113243345442 is a `hidden beast` number, since 1 + 132 + 4 + 33 + 454 + 42 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 81853782201 + 31389563241 = 286101^2 + 177171^2 .

It is a super-2 number, since 2×113243345442² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113243345397 and 113243345406.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 520248 + ... + 705084.

Almost surely, 2^113243345442 is an apocalyptic number.

113243345442 is an abundant number, since it is smaller than the sum of its proper divisors (135283175190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113243345442 is a wasteful number, since it uses less digits than its factorization.

113243345442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185283 (or 185280 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 113243345442 its reverse (244543342311), we get a palindrome (357786687753).

The spelling of 113243345442 in words is "one hundred thirteen billion, two hundred forty-three million, three hundred forty-five thousand, four hundred forty-two".