112508945 has 4 divisors (see below), whose sum is σ = 135010740. Its totient is φ = 90007152.

The previous prime is 112508927. The next prime is 112508953. The reversal of 112508945 is 549805211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549805211 = 17 ⋅32341483.

It can be written as a sum of positive squares in 2 ways, for example, as 29899024 + 82609921 = 5468^2 + 9089^2 .

It is a cyclic number.

It is not a de Polignac number, because 112508945 - 2⁶ = 112508881 is a prime.

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, 11250890 + ... + 11250899.

It is an arithmetic number, because the mean of its divisors is an integer number (33752685).

Almost surely, 2^112508945 is an apocalyptic number.

It is an amenable number.

112508945 is a deficient number, since it is larger than the sum of its proper divisors (22501795).

112508945 is an equidigital number, since it uses as much as digits as its factorization.

112508945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22501794.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 112508945 is about 10607.0233807605. The cubic root of 112508945 is about 482.7574864860.

The spelling of 112508945 in words is "one hundred twelve million, five hundred eight thousand, nine hundred forty-five".