112643508 has 48 divisors (see below), whose sum is σ = 268632000. Its totient is φ = 36726528.

The previous prime is 112643507. The next prime is 112643579. The reversal of 112643508 is 805346211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112643507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275208 + ... + 275616.

It is an arithmetic number, because the mean of its divisors is an integer number (5596500).

Almost surely, 2^112643508 is an apocalyptic number.

It is an amenable number.

112643508 is an abundant number, since it is smaller than the sum of its proper divisors (155988492).

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

112643508 is a wasteful number, since it uses less digits than its factorization.

112643508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 112643508 is about 10613.3645937563. The cubic root of 112643508 is about 482.9498724174.

Adding to 112643508 its reverse (805346211), we get a palindrome (917989719).

The spelling of 112643508 in words is "one hundred twelve million, six hundred forty-three thousand, five hundred eight".