445340999 has 2 divisors, whose sum is σ = 445341000. Its totient is φ = 445340998.

The previous prime is 445340983. The next prime is 445341047. The reversal of 445340999 is 999043544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445340999 - 2⁴ = 445340983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445340299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222670499 + 222670500.

It is an arithmetic number, because the mean of its divisors is an integer number (222670500).

Almost surely, 2^445340999 is an apocalyptic number.

445340999 is a deficient number, since it is larger than the sum of its proper divisors (1).

445340999 is an equidigital number, since it uses as much as digits as its factorization.

445340999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 445340999 is about 21103.1040133910. The cubic root of 445340999 is about 763.6556330897.

The spelling of 445340999 in words is "four hundred forty-five million, three hundred forty thousand, nine hundred ninety-nine".