105503453 has 4 divisors (see below), whose sum is σ = 115094688. Its totient is φ = 95912220.

The previous prime is 105503449. The next prime is 105503491. The reversal of 105503453 is 354305501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105503453 - 2² = 105503449 is a prime.

It is a super-2 number, since 2×105503453² = 22261957189846418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105503353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4795601 + ... + 4795622.

It is an arithmetic number, because the mean of its divisors is an integer number (28773672).

Almost surely, 2^105503453 is an apocalyptic number.

It is an amenable number.

105503453 is a deficient number, since it is larger than the sum of its proper divisors (9591235).

105503453 is an equidigital number, since it uses as much as digits as its factorization.

105503453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9591234.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 105503453 is about 10271.4873801217. The cubic root of 105503453 is about 472.5222079276.

Adding to 105503453 its reverse (354305501), we get a palindrome (459808954).

The spelling of 105503453 in words is "one hundred five million, five hundred three thousand, four hundred fifty-three".