343664545 has 16 divisors (see below), whose sum is σ = 479040768. Its totient is φ = 231791040.

The previous prime is 343664539. The next prime is 343664567. The reversal of 343664545 is 545466343.

It is a happy number.

It is not a de Polignac number, because 343664545 - 2⁷ = 343664417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343664498 and 343664507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78349 + ... + 82618.

It is an arithmetic number, because the mean of its divisors is an integer number (29940048).

Almost surely, 2^343664545 is an apocalyptic number.

343664545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

343664545 is a deficient number, since it is larger than the sum of its proper divisors (135376223).

343664545 is a wasteful number, since it uses less digits than its factorization.

343664545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161040.

The product of its digits is 518400, while the sum is 40.

The square root of 343664545 is about 18538.1915245258. The cubic root of 343664545 is about 700.4517797873.

The spelling of 343664545 in words is "three hundred forty-three million, six hundred sixty-four thousand, five hundred forty-five".