112157540 has 48 divisors (see below), whose sum is σ = 261817920. Its totient is φ = 40010880.

The previous prime is 112157527. The next prime is 112157543. The reversal of 112157540 is 45751211.

It is not an unprimeable number, because it can be changed into a prime (112157543) 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, 6851 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (5454540).

Almost surely, 2^112157540 is an apocalyptic number.

112157540 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 112157540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130908960).

112157540 is an abundant number, since it is smaller than the sum of its proper divisors (149660380).

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

112157540 is a wasteful number, since it uses less digits than its factorization.

112157540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9692 (or 9690 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 112157540 is about 10590.4456941150. The cubic root of 112157540 is about 482.2543551711.

The spelling of 112157540 in words is "one hundred twelve million, one hundred fifty-seven thousand, five hundred forty".