454240454 has 4 divisors (see below), whose sum is σ = 681360684. Its totient is φ = 227120226.

The previous prime is 454240447. The next prime is 454240481. The reversal of 454240454 is 454042454.

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

It is a super-2 number, since 2×454240454² = 412668780100252232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 454240454.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 113560112 + ... + 113560115.

It is an arithmetic number, because the mean of its divisors is an integer number (170340171).

Almost surely, 2^454240454 is an apocalyptic number.

454240454 is a deficient number, since it is larger than the sum of its proper divisors (227120230).

454240454 is a wasteful number, since it uses less digits than its factorization.

454240454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227120229.

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 454240454 is about 21312.9175384319. The cubic root of 454240454 is about 768.7089480006.

The spelling of 454240454 in words is "four hundred fifty-four million, two hundred forty thousand, four hundred fifty-four".