112247145 has 12 divisors (see below), whose sum is σ = 194561796. Its totient is φ = 59865120.

The previous prime is 112247131. The next prime is 112247171. The reversal of 112247145 is 541742211.

It can be written as a sum of positive squares in 2 ways, for example, as 77105961 + 35141184 = 8781^2 + 5928^2 .

It is not a de Polignac number, because 112247145 - 2⁴ = 112247129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1247146 + ... + 1247235.

It is an arithmetic number, because the mean of its divisors is an integer number (16213483).

Almost surely, 2^112247145 is an apocalyptic number.

112247145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112247145 is a deficient number, since it is larger than the sum of its proper divisors (82314651).

112247145 is a wasteful number, since it uses less digits than its factorization.

112247145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494392 (or 2494389 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 112247145 is about 10594.6753135714. The cubic root of 112247145 is about 482.3827486756.

Adding to 112247145 its reverse (541742211), we get a palindrome (653989356).

The spelling of 112247145 in words is "one hundred twelve million, two hundred forty-seven thousand, one hundred forty-five".