111332545 has 8 divisors (see below), whose sum is σ = 133903296. Its totient is φ = 88863216.

The previous prime is 111332539. The next prime is 111332549. The reversal of 111332545 is 545233111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111332545 - 2⁵ = 111332513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111332549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22917 + ... + 27346.

It is an arithmetic number, because the mean of its divisors is an integer number (16737912).

Almost surely, 2^111332545 is an apocalyptic number.

It is an amenable number.

111332545 is a deficient number, since it is larger than the sum of its proper divisors (22570751).

111332545 is an equidigital number, since it uses as much as digits as its factorization.

111332545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50711.

The product of its digits is 1800, while the sum is 25.

The square root of 111332545 is about 10551.4238375681. The cubic root of 111332545 is about 481.0690077815.

Adding to 111332545 its reverse (545233111), we get a palindrome (656565656).

The spelling of 111332545 in words is "one hundred eleven million, three hundred thirty-two thousand, five hundred forty-five".