445069 has 2 divisors, whose sum is σ = 445070. Its totient is φ = 445068.
The previous prime is 445033. The next prime is 445087. The reversal of 445069 is 960544.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 407044 + 38025 = 638^2 + 195^2 .
It is a cyclic number.
It is not a de Polignac number, because 445069 - 29 = 444557 is a prime.
It is a super-2 number, since 2×4450692 = 396172829522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (445019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222534 + 222535.
It is an arithmetic number, because the mean of its divisors is an integer number (222535).
2445069 is an apocalyptic number.
It is an amenable number.
445069 is a deficient number, since it is larger than the sum of its proper divisors (1).
445069 is an equidigital number, since it uses as much as digits as its factorization.
445069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 445069 is about 667.1349188882. The cubic root of 445069 is about 76.3500129875.
The spelling of 445069 in words is "four hundred forty-five thousand, sixty-nine".
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