111355145 has 8 divisors (see below), whose sum is σ = 145774080. Its totient is φ = 80985520.

The previous prime is 111355141. The next prime is 111355147. The reversal of 111355145 is 541553111.

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

It is not a de Polignac number, because 111355145 - 2² = 111355141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111355141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012265 + ... + 1012374.

It is an arithmetic number, because the mean of its divisors is an integer number (18221760).

Almost surely, 2^111355145 is an apocalyptic number.

It is an amenable number.

111355145 is a deficient number, since it is larger than the sum of its proper divisors (34418935).

111355145 is a wasteful number, since it uses less digits than its factorization.

111355145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024655.

The product of its digits is 1500, while the sum is 26.

The square root of 111355145 is about 10552.4947287359. The cubic root of 111355145 is about 481.1015571856.

The spelling of 111355145 in words is "one hundred eleven million, three hundred fifty-five thousand, one hundred forty-five".