445343429 has 2 divisors, whose sum is σ = 445343430. Its totient is φ = 445343428.

The previous prime is 445343419. The next prime is 445343467. The reversal of 445343429 is 924343544.

It is a happy number.

It is an a-pointer prime, because the next prime (445343467) can be obtained adding 445343429 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357021025 + 88322404 = 18895^2 + 9398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445343429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445343392 and 445343401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445343419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222671714 + 222671715.

It is an arithmetic number, because the mean of its divisors is an integer number (222671715).

Almost surely, 2^445343429 is an apocalyptic number.

It is an amenable number.

445343429 is a deficient number, since it is larger than the sum of its proper divisors (1).

445343429 is an equidigital number, since it uses as much as digits as its factorization.

445343429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 38.

The square root of 445343429 is about 21103.1615877811. The cubic root of 445343429 is about 763.6570220477.

The spelling of 445343429 in words is "four hundred forty-five million, three hundred forty-three thousand, four hundred twenty-nine".