454143491 has 16 divisors (see below), whose sum is σ = 510197760. Its totient is φ = 401708160.

The previous prime is 454143463. The next prime is 454143493. The reversal of 454143491 is 194341454.

It is a cyclic number.

It is not a de Polignac number, because 454143491 - 2²² = 449949187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454143493) 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 15 ways as a sum of consecutive naturals, for example, 35486 + ... + 46556.

It is an arithmetic number, because the mean of its divisors is an integer number (31887360).

Almost surely, 2^454143491 is an apocalyptic number.

454143491 is a deficient number, since it is larger than the sum of its proper divisors (56054269).

454143491 is a wasteful number, since it uses less digits than its factorization.

454143491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11234.

The product of its digits is 34560, while the sum is 35.

The square root of 454143491 is about 21310.6426698023. The cubic root of 454143491 is about 768.6542474345.

The spelling of 454143491 in words is "four hundred fifty-four million, one hundred forty-three thousand, four hundred ninety-one".