111453 has 8 divisors (see below), whose sum is σ = 150528. Its totient is φ = 73344.

The previous prime is 111443. The next prime is 111467. The reversal of 111453 is 354111.

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

It is not a de Polignac number, because 111453 - 2¹² = 107357 is a prime.

It is a super-3 number, since 3×111453³ = 4153330999670031, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111443) 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 7 ways as a sum of consecutive naturals, for example, 100 + ... + 482.

It is an arithmetic number, because the mean of its divisors is an integer number (18816).

2¹¹¹⁴⁵³ is an apocalyptic number.

It is an amenable number.

111453 is a deficient number, since it is larger than the sum of its proper divisors (39075).

111453 is an equidigital number, since it uses as much as digits as its factorization.

111453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its digits is 60, while the sum is 15.

The square root of 111453 is about 333.8457727754. The cubic root of 111453 is about 48.1242440990.

Adding to 111453 its reverse (354111), we get a palindrome (465564).

The spelling of 111453 in words is "one hundred eleven thousand, four hundred fifty-three".