111630345 has 8 divisors (see below), whose sum is σ = 178608576. Its totient is φ = 59536176.

The previous prime is 111630319. The next prime is 111630371. The reversal of 111630345 is 543036111.

It is an interprime number because it is at equal distance from previous prime (111630319) and next prime (111630371).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111630345 - 2¹⁰ = 111629321 is a prime.

It is a super-2 number, since 2×111630345² = 24922667849638050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3720997 + ... + 3721026.

It is an arithmetic number, because the mean of its divisors is an integer number (22326072).

Almost surely, 2^111630345 is an apocalyptic number.

111630345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111630345 is a deficient number, since it is larger than the sum of its proper divisors (66978231).

111630345 is an equidigital number, since it uses as much as digits as its factorization.

111630345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442031.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 111630345 is about 10565.5262528660. The cubic root of 111630345 is about 481.4975581333.

Adding to 111630345 its reverse (543036111), we get a palindrome (654666456).

The spelling of 111630345 in words is "one hundred eleven million, six hundred thirty thousand, three hundred forty-five".