100454243 has 4 divisors (see below), whose sum is σ = 100474440. Its totient is φ = 100434048.

The previous prime is 100454227. The next prime is 100454257. The reversal of 100454243 is 342454001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100454243 - 2⁴ = 100454227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100454213) 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, 3203 + ... + 14531.

It is an arithmetic number, because the mean of its divisors is an integer number (25118610).

Almost surely, 2^100454243 is an apocalyptic number.

100454243 is a deficient number, since it is larger than the sum of its proper divisors (20197).

100454243 is an equidigital number, since it uses as much as digits as its factorization.

100454243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20196.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 100454243 is about 10022.6864163257. The cubic root of 100454243 is about 464.8606249729.

The spelling of 100454243 in words is "one hundred million, four hundred fifty-four thousand, two hundred forty-three".