111653245 has 16 divisors (see below), whose sum is σ = 148925952. Its totient is φ = 79668160.

The previous prime is 111653239. The next prime is 111653249. The reversal of 111653245 is 542356111.

It is not a de Polignac number, because 111653245 - 2⁷ = 111653117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111653249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16237 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (9307872).

Almost surely, 2^111653245 is an apocalyptic number.

It is an amenable number.

111653245 is a deficient number, since it is larger than the sum of its proper divisors (37272707).

111653245 is a wasteful number, since it uses less digits than its factorization.

111653245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38372.

The product of its digits is 3600, while the sum is 28.

The square root of 111653245 is about 10566.6099104680. The cubic root of 111653245 is about 481.5304809023.

It can be divided in two parts, 111 and 653245, that added together give a palindrome (653356).

The spelling of 111653245 in words is "one hundred eleven million, six hundred fifty-three thousand, two hundred forty-five".