445230529 has 2 divisors, whose sum is σ = 445230530. Its totient is φ = 445230528.

The previous prime is 445230473. The next prime is 445230547. The reversal of 445230529 is 925032544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241740304 + 203490225 = 15548^2 + 14265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445230529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445230494 and 445230503.

It is not a weakly prime, because it can be changed into another prime (445230559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222615264 + 222615265.

It is an arithmetic number, because the mean of its divisors is an integer number (222615265).

Almost surely, 2^445230529 is an apocalyptic number.

It is an amenable number.

445230529 is a deficient number, since it is larger than the sum of its proper divisors (1).

445230529 is an equidigital number, since it uses as much as digits as its factorization.

445230529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 445230529 is about 21100.4864635866. The cubic root of 445230529 is about 763.5924844655.

The spelling of 445230529 in words is "four hundred forty-five million, two hundred thirty thousand, five hundred twenty-nine".