111416145 has 16 divisors (see below), whose sum is σ = 179551680. Its totient is φ = 58993344.

The previous prime is 111416141. The next prime is 111416159. The reversal of 111416145 is 541614111.

111416145 = T₁₈₂ + T₁₈₃ + ... + T₈₇₆.

It is not a de Polignac number, because 111416145 - 2² = 111416141 is a prime.

It is a super-2 number, since 2×111416145² = 24827114733322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111416141) 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 15 ways as a sum of consecutive naturals, for example, 24634 + ... + 28803.

It is an arithmetic number, because the mean of its divisors is an integer number (11221980).

Almost surely, 2^111416145 is an apocalyptic number.

111416145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111416145 is a deficient number, since it is larger than the sum of its proper divisors (68135535).

111416145 is a wasteful number, since it uses less digits than its factorization.

111416145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53584.

The product of its digits is 480, while the sum is 24.

The square root of 111416145 is about 10555.3846448152. The cubic root of 111416145 is about 481.1893897920.

The spelling of 111416145 in words is "one hundred eleven million, four hundred sixteen thousand, one hundred forty-five".