111010145 has 16 divisors (see below), whose sum is σ = 135308880. Its totient is φ = 87419904.

The previous prime is 111010139. The next prime is 111010157. The reversal of 111010145 is 541010111.

It can be written as a sum of positive squares in 8 ways, for example, as 35093776 + 75916369 = 5924^2 + 8713^2 .

It is a cyclic number.

It is not a de Polignac number, because 111010145 - 2⁴ = 111010129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138887 + ... + 139683.

It is an arithmetic number, because the mean of its divisors is an integer number (8456805).

Almost surely, 2^111010145 is an apocalyptic number.

It is an amenable number.

111010145 is a deficient number, since it is larger than the sum of its proper divisors (24298735).

111010145 is an equidigital number, since it uses as much as digits as its factorization.

111010145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 111010145 is about 10536.1352022457. The cubic root of 111010145 is about 480.6041943089.

Adding to 111010145 its reverse (541010111), we get a palindrome (652020256).

The spelling of 111010145 in words is "one hundred eleven million, ten thousand, one hundred forty-five".