112143500 has 72 divisors (see below), whose sum is σ = 281482656. Its totient is φ = 38234400.

The previous prime is 112143497. The next prime is 112143503. The reversal of 112143500 is 5341211.

It is an interprime number because it is at equal distance from previous prime (112143497) and next prime (112143503).

It is not an unprimeable number, because it can be changed into a prime (112143503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 626411 + ... + 626589.

Almost surely, 2^112143500 is an apocalyptic number.

112143500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112143500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140741328).

112143500 is an abundant number, since it is smaller than the sum of its proper divisors (169339156).

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

112143500 is an equidigital number, since it uses as much as digits as its factorization.

112143500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 112143500 is about 10589.7828117483. The cubic root of 112143500 is about 482.2342312939.

Adding to 112143500 its reverse (5341211), we get a palindrome (117484711).

The spelling of 112143500 in words is "one hundred twelve million, one hundred forty-three thousand, five hundred".