454138511 has 4 divisors (see below), whose sum is σ = 454192992. Its totient is φ = 454084032.

The previous prime is 454138501. The next prime is 454138541. The reversal of 454138511 is 115831454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 454138511 - 2²⁶ = 387029647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454138501) 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, 11831 + ... + 32376.

It is an arithmetic number, because the mean of its divisors is an integer number (113548248).

Almost surely, 2^454138511 is an apocalyptic number.

454138511 is a deficient number, since it is larger than the sum of its proper divisors (54481).

454138511 is a wasteful number, since it uses less digits than its factorization.

454138511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54480.

The product of its digits is 9600, while the sum is 32.

The square root of 454138511 is about 21310.5258264549. The cubic root of 454138511 is about 768.6514378144.

Adding to 454138511 its reverse (115831454), we get a palindrome (569969965).

The spelling of 454138511 in words is "four hundred fifty-four million, one hundred thirty-eight thousand, five hundred eleven".