112400045 has 4 divisors (see below), whose sum is σ = 134880060. Its totient is φ = 89920032.

The previous prime is 112400009. The next prime is 112400053. The reversal of 112400045 is 540004211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540004211 = 199 ⋅2713589.

It can be written as a sum of positive squares in 2 ways, for example, as 82828201 + 29571844 = 9101^2 + 5438^2 .

It is a cyclic number.

It is not a de Polignac number, because 112400045 - 2⁶ = 112399981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112399996 and 112400032.

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, 11240000 + ... + 11240009.

It is an arithmetic number, because the mean of its divisors is an integer number (33720015).

Almost surely, 2^112400045 is an apocalyptic number.

It is an amenable number.

112400045 is a deficient number, since it is larger than the sum of its proper divisors (22480015).

112400045 is an equidigital number, since it uses as much as digits as its factorization.

112400045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22480014.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 112400045 is about 10601.8887468224. Note that the first 3 decimals coincide. The cubic root of 112400045 is about 482.6016788407.

Adding to 112400045 its reverse (540004211), we get a palindrome (652404256).

The spelling of 112400045 in words is "one hundred twelve million, four hundred thousand, forty-five".