113245812 has 72 divisors (see below), whose sum is σ = 300736800. Its totient is φ = 35880768.

The previous prime is 113245799. The next prime is 113245819. The reversal of 113245812 is 218542311.

It is a super-2 number, since 2×113245812² = 25649227871078688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113245819) 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, 69139 + ... + 70757.

It is an arithmetic number, because the mean of its divisors is an integer number (4176900).

Almost surely, 2^113245812 is an apocalyptic number.

113245812 is a gapful number since it is divisible by the number (12) 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 113245812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150368400).

113245812 is an abundant number, since it is smaller than the sum of its proper divisors (187490988).

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

113245812 is a wasteful number, since it uses less digits than its factorization.

113245812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1720 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 113245812 is about 10641.7015556724. The cubic root of 113245812 is about 483.8091192295.

The spelling of 113245812 in words is "one hundred thirteen million, two hundred forty-five thousand, eight hundred twelve".