100240453 has 4 divisors (see below), whose sum is σ = 103474048. Its totient is φ = 97006860.

The previous prime is 100240451. The next prime is 100240457. The reversal of 100240453 is 354042001.

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 100240453 - 2¹ = 100240451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100240453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100240451) 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, 1616751 + ... + 1616812.

It is an arithmetic number, because the mean of its divisors is an integer number (25868512).

Almost surely, 2^100240453 is an apocalyptic number.

It is an amenable number.

100240453 is a deficient number, since it is larger than the sum of its proper divisors (3233595).

100240453 is an equidigital number, since it uses as much as digits as its factorization.

100240453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233594.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 100240453 is about 10012.0154314703. The cubic root of 100240453 is about 464.5306135614.

Adding to 100240453 its reverse (354042001), we get a palindrome (454282454).

The spelling of 100240453 in words is "one hundred million, two hundred forty thousand, four hundred fifty-three".