445679057 has 2 divisors, whose sum is σ = 445679058. Its totient is φ = 445679056.

The previous prime is 445679009. The next prime is 445679071. The reversal of 445679057 is 750976544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371564176 + 74114881 = 19276^2 + 8609^2 .

It is a cyclic number.

It is not a de Polignac number, because 445679057 - 2¹⁰ = 445678033 is a prime.

It is not a weakly prime, because it can be changed into another prime (445679357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222839528 + 222839529.

It is an arithmetic number, because the mean of its divisors is an integer number (222839529).

Almost surely, 2^445679057 is an apocalyptic number.

It is an amenable number.

445679057 is a deficient number, since it is larger than the sum of its proper divisors (1).

445679057 is an equidigital number, since it uses as much as digits as its factorization.

445679057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 445679057 is about 21111.1121687134. The cubic root of 445679057 is about 763.8488143457.

The spelling of 445679057 in words is "four hundred forty-five million, six hundred seventy-nine thousand, fifty-seven".