343434545 has 4 divisors (see below), whose sum is σ = 412121460. Its totient is φ = 274747632.

The previous prime is 343434479. The next prime is 343434569. The reversal of 343434545 is 545434343.

343434545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 205865104 + 137569441 = 14348^2 + 11729^2 .

It is a cyclic number.

It is not a de Polignac number, because 343434545 - 2¹² = 343430449 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34343450 + ... + 34343459.

It is an arithmetic number, because the mean of its divisors is an integer number (103030365).

Almost surely, 2^343434545 is an apocalyptic number.

It is an amenable number.

343434545 is a deficient number, since it is larger than the sum of its proper divisors (68686915).

343434545 is an equidigital number, since it uses as much as digits as its factorization.

343434545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68686914.

The product of its digits is 172800, while the sum is 35.

The square root of 343434545 is about 18531.9870764039. The cubic root of 343434545 is about 700.2954840962.

Adding to 343434545 its reverse (545434343), we get a palindrome (888868888).

The spelling of 343434545 in words is "three hundred forty-three million, four hundred thirty-four thousand, five hundred forty-five".