111140245 has 8 divisors (see below), whose sum is σ = 133548120. Its totient is φ = 88792320.

The previous prime is 111140243. The next prime is 111140261. The reversal of 111140245 is 542041111.

It can be written as a sum of positive squares in 4 ways, for example, as 848241 + 110292004 = 921^2 + 10502^2 .

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

It is not a de Polignac number, because 111140245 - 2¹ = 111140243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111140243) 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, 10800 + ... + 18409.

It is an arithmetic number, because the mean of its divisors is an integer number (16693515).

Almost surely, 2^111140245 is an apocalyptic number.

It is an amenable number.

111140245 is a deficient number, since it is larger than the sum of its proper divisors (22407875).

111140245 is an equidigital number, since it uses as much as digits as its factorization.

111140245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 111140245 is about 10542.3073850083. The cubic root of 111140245 is about 480.7918714359.

Adding to 111140245 its reverse (542041111), we get a palindrome (653181356).

The spelling of 111140245 in words is "one hundred eleven million, one hundred forty thousand, two hundred forty-five".