112972445 has 4 divisors (see below), whose sum is σ = 135566940. Its totient is φ = 90377952.

The previous prime is 112972421. The next prime is 112972471. The reversal of 112972445 is 544279211.

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 15100996 + 97871449 = 3886^2 + 9893^2 .

It is a cyclic number.

It is not a de Polignac number, because 112972445 - 2¹⁰ = 112971421 is a prime.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11297240 + ... + 11297249.

It is an arithmetic number, because the mean of its divisors is an integer number (33891735).

Almost surely, 2^112972445 is an apocalyptic number.

It is an amenable number.

112972445 is a deficient number, since it is larger than the sum of its proper divisors (22594495).

112972445 is an equidigital number, since it uses as much as digits as its factorization.

112972445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22594494.

The product of its digits is 20160, while the sum is 35.

The square root of 112972445 is about 10628.8496555366. The cubic root of 112972445 is about 483.4195124440.

The spelling of 112972445 in words is "one hundred twelve million, nine hundred seventy-two thousand, four hundred forty-five".