343545443 has 4 divisors (see below), whose sum is σ = 343701120. Its totient is φ = 343389768.

The previous prime is 343545431. The next prime is 343545463. The reversal of 343545443 is 344545343.

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

It is a cyclic number.

It is not a de Polignac number, because 343545443 - 2⁴ = 343545427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343545463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74480 + ... + 78957.

It is an arithmetic number, because the mean of its divisors is an integer number (85925280).

Almost surely, 2^343545443 is an apocalyptic number.

343545443 is a deficient number, since it is larger than the sum of its proper divisors (155677).

343545443 is a wasteful number, since it uses less digits than its factorization.

343545443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155676.

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

The square root of 343545443 is about 18534.9789047627. The cubic root of 343545443 is about 700.3708531508.

The spelling of 343545443 in words is "three hundred forty-three million, five hundred forty-five thousand, four hundred forty-three".