100453091 has 4 divisors (see below), whose sum is σ = 100929384. Its totient is φ = 99976800.

The previous prime is 100453081. The next prime is 100453097. The reversal of 100453091 is 190354001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100453091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100453097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237830 + ... + 238251.

It is an arithmetic number, because the mean of its divisors is an integer number (25232346).

Almost surely, 2^100453091 is an apocalyptic number.

100453091 is a deficient number, since it is larger than the sum of its proper divisors (476293).

100453091 is an equidigital number, since it uses as much as digits as its factorization.

100453091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476292.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 100453091 is about 10022.6289465389. The cubic root of 100453091 is about 464.8588479731.

The spelling of 100453091 in words is "one hundred million, four hundred fifty-three thousand, ninety-one".