458045881 has 2 divisors, whose sum is σ = 458045882. Its totient is φ = 458045880.

The previous prime is 458045869. The next prime is 458045893. The reversal of 458045881 is 188540854.

It is a balanced prime because it is at equal distance from previous prime (458045869) and next prime (458045893).

It can be written as a sum of positive squares in only one way, i.e., 280730025 + 177315856 = 16755^2 + 13316^2 .

It is a cyclic number.

It is not a de Polignac number, because 458045881 - 2¹⁹ = 457521593 is a prime.

It is a super-2 number, since 2×458045881² = 419612058202132322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (458045831) 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 as a sum of consecutive naturals, namely, 229022940 + 229022941.

It is an arithmetic number, because the mean of its divisors is an integer number (229022941).

Almost surely, 2^458045881 is an apocalyptic number.

It is an amenable number.

458045881 is a deficient number, since it is larger than the sum of its proper divisors (1).

458045881 is an equidigital number, since it uses as much as digits as its factorization.

458045881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204800, while the sum is 43.

The square root of 458045881 is about 21402.0064713568. The cubic root of 458045881 is about 770.8496165274.

The spelling of 458045881 in words is "four hundred fifty-eight million, forty-five thousand, eight hundred eighty-one".