112543245 has 12 divisors (see below), whose sum is σ = 195075036. Its totient is φ = 60023040.

The previous prime is 112543243. The next prime is 112543283. The reversal of 112543245 is 542345211.

112543245 is a `hidden beast` number, since 112 + 543 + 2 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60746436 + 51796809 = 7794^2 + 7197^2 .

It is not a de Polignac number, because 112543245 - 2¹ = 112543243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112543241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1250436 + ... + 1250525.

It is an arithmetic number, because the mean of its divisors is an integer number (16256253).

Almost surely, 2^112543245 is an apocalyptic number.

112543245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112543245 is a deficient number, since it is larger than the sum of its proper divisors (82531791).

112543245 is a wasteful number, since it uses less digits than its factorization.

112543245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500972 (or 2500969 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 112543245 is about 10608.6401107776. The cubic root of 112543245 is about 482.8065400653.

Adding to 112543245 its reverse (542345211), we get a palindrome (654888456).

It can be divided in two parts, 1125 and 43245, that multiplied together give a square (48650625 = 6975²).

The spelling of 112543245 in words is "one hundred twelve million, five hundred forty-three thousand, two hundred forty-five".