112155845 has 4 divisors (see below), whose sum is σ = 134587020. Its totient is φ = 89724672.

The previous prime is 112155839. The next prime is 112155853. The reversal of 112155845 is 548551211.

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 18472804 + 93683041 = 4298^2 + 9679^2 .

It is a cyclic number.

It is not a de Polignac number, because 112155845 - 2¹⁸ = 111893701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11215580 + ... + 11215589.

It is an arithmetic number, because the mean of its divisors is an integer number (33646755).

Almost surely, 2^112155845 is an apocalyptic number.

It is an amenable number.

112155845 is a deficient number, since it is larger than the sum of its proper divisors (22431175).

112155845 is an equidigital number, since it uses as much as digits as its factorization.

112155845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22431174.

The product of its digits is 8000, while the sum is 32.

The square root of 112155845 is about 10590.3656688520. The cubic root of 112155845 is about 482.2519257751.

The spelling of 112155845 in words is "one hundred twelve million, one hundred fifty-five thousand, eight hundred forty-five".