112345578 has 12 divisors (see below), whose sum is σ = 243415458. Its totient is φ = 37448520.

The previous prime is 112345567. The next prime is 112345601. The reversal of 112345578 is 875543211.

It can be written as a sum of positive squares in only one way, i.e., 75220929 + 37124649 = 8673^2 + 6093^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3120693 + ... + 3120728.

Almost surely, 2^112345578 is an apocalyptic number.

112345578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

112345578 is an abundant number, since it is smaller than the sum of its proper divisors (131069880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112345578 is a wasteful number, since it uses less digits than its factorization.

112345578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241429 (or 6241426 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 112345578 is about 10599.3196951503. The cubic root of 112345578 is about 482.5237129388.

Adding to 112345578 its reverse (875543211), we get a palindrome (987888789).

The spelling of 112345578 in words is "one hundred twelve million, three hundred forty-five thousand, five hundred seventy-eight".