111440153 has 12 divisors (see below), whose sum is σ = 122802624. Its totient is φ = 101052600.

The previous prime is 111440141. The next prime is 111440177. The reversal of 111440153 is 351044111.

It is a happy number.

It is not a de Polignac number, because 111440153 - 2⁴ = 111440137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111440113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59948 + ... + 61778.

It is an arithmetic number, because the mean of its divisors is an integer number (10233552).

Almost surely, 2^111440153 is an apocalyptic number.

It is an amenable number.

111440153 is a deficient number, since it is larger than the sum of its proper divisors (11362471).

111440153 is a wasteful number, since it uses less digits than its factorization.

111440153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 111440153 is about 10556.5218230249. The cubic root of 111440153 is about 481.2239496103.

Adding to 111440153 its reverse (351044111), we get a palindrome (462484264).

The spelling of 111440153 in words is "one hundred eleven million, four hundred forty thousand, one hundred fifty-three".