112311545 has 4 divisors (see below), whose sum is σ = 134773860. Its totient is φ = 89849232.

The previous prime is 112311541. The next prime is 112311557. The reversal of 112311545 is 545113211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32959081 + 79352464 = 5741^2 + 8908^2 .

It is a cyclic number.

It is not a de Polignac number, because 112311545 - 2² = 112311541 is a prime.

It is a super-2 number, since 2×112311545² = 25227766280574050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112311545.

It is not an unprimeable number, because it can be changed into a prime (112311541) 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 3 ways as a sum of consecutive naturals, for example, 11231150 + ... + 11231159.

It is an arithmetic number, because the mean of its divisors is an integer number (33693465).

Almost surely, 2^112311545 is an apocalyptic number.

It is an amenable number.

112311545 is a deficient number, since it is larger than the sum of its proper divisors (22462315).

112311545 is an equidigital number, since it uses as much as digits as its factorization.

112311545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22462314.

The product of its digits is 600, while the sum is 23.

The square root of 112311545 is about 10597.7141403229. The cubic root of 112311545 is about 482.4749841613.

Adding to 112311545 its reverse (545113211), we get a palindrome (657424756).

The spelling of 112311545 in words is "one hundred twelve million, three hundred eleven thousand, five hundred forty-five".