454091 has 4 divisors (see below), whose sum is σ = 495384. Its totient is φ = 412800.

The previous prime is 454079. The next prime is 454109. The reversal of 454091 is 190454.

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-454091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20630 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (123846).

2⁴⁵⁴⁰⁹¹ is an apocalyptic number.

454091 is a deficient number, since it is larger than the sum of its proper divisors (41293).

454091 is a wasteful number, since it uses less digits than its factorization.

454091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41292.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 454091 is about 673.8627456686. The cubic root of 454091 is about 76.8624631990.

The spelling of 454091 in words is "four hundred fifty-four thousand, ninety-one".