111445488 has 360 divisors, whose sum is σ = 427889280. Its totient is φ = 26231040.

The previous prime is 111445487. The next prime is 111445493. The reversal of 111445488 is 884544111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111445483) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4845445 + ... + 4845467.

Almost surely, 2^111445488 is an apocalyptic number.

111445488 is a gapful number since it is divisible by the number (18) 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 111445488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213944640).

111445488 is an abundant number, since it is smaller than the sum of its proper divisors (316443792).

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

111445488 is a wasteful number, since it uses less digits than its factorization.

111445488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 65 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 111445488 is about 10556.7745073957. The cubic root of 111445488 is about 481.2316287359.

Adding to 111445488 its reverse (884544111), we get a palindrome (995989599).

The spelling of 111445488 in words is "one hundred eleven million, four hundred forty-five thousand, four hundred eighty-eight".