458645056 has 21 divisors (see below), whose sum is σ = 910463889. Its totient is φ = 229236864.

The previous prime is 458644997. The next prime is 458645069. The reversal of 458645056 is 650546854.

The square root of 458645056 is 21416.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 450118656 = 2920^2 + 21216^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 169990 + ... + 172666.

Almost surely, 2^458645056 is an apocalyptic number.

458645056 is the 21416-th square number.

It is an amenable number.

458645056 is a deficient number, since it is larger than the sum of its proper divisors (451818833).

458645056 is an frugal number, since it uses more digits than its factorization.

458645056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The cubic root of 458645056 is about 771.1855891088.

The spelling of 458645056 in words is "four hundred fifty-eight million, six hundred forty-five thousand, fifty-six".