434445345 has 12 divisors (see below), whose sum is σ = 753038676. Its totient is φ = 231704160.

The previous prime is 434445343. The next prime is 434445373. The reversal of 434445345 is 543544434.

It can be written as a sum of positive squares in 2 ways, for example, as 288422289 + 146023056 = 16983^2 + 12084^2 .

It is not a de Polignac number, because 434445345 - 2¹ = 434445343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434445343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4827126 + ... + 4827215.

It is an arithmetic number, because the mean of its divisors is an integer number (62753223).

Almost surely, 2^434445345 is an apocalyptic number.

434445345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

434445345 is a deficient number, since it is larger than the sum of its proper divisors (318593331).

434445345 is a wasteful number, since it uses less digits than its factorization.

434445345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654352 (or 9654349 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 434445345 is about 20843.3525374398. The cubic root of 434445345 is about 757.3763089218.

Adding to 434445345 its reverse (543544434), we get a palindrome (977989779).

The spelling of 434445345 in words is "four hundred thirty-four million, four hundred forty-five thousand, three hundred forty-five".