112155449 has 8 divisors (see below), whose sum is σ = 128829888. Its totient is φ = 95644080.

The previous prime is 112155437. The next prime is 112155457. The reversal of 112155449 is 944551211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-112155449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112155469) 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 7 ways as a sum of consecutive naturals, for example, 39287 + ... + 42044.

It is an arithmetic number, because the mean of its divisors is an integer number (16103736).

Almost surely, 2^112155449 is an apocalyptic number.

It is an amenable number.

112155449 is a deficient number, since it is larger than the sum of its proper divisors (16674439).

112155449 is an equidigital number, since it uses as much as digits as its factorization.

112155449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81535.

The product of its digits is 7200, while the sum is 32.

The square root of 112155449 is about 10590.3469725973. The cubic root of 112155449 is about 482.2513581958.

The spelling of 112155449 in words is "one hundred twelve million, one hundred fifty-five thousand, four hundred forty-nine".