345444243 has 4 divisors (see below), whose sum is σ = 460592328. Its totient is φ = 230296160.

The previous prime is 345444221. The next prime is 345444289. The reversal of 345444243 is 342444543.

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 345444243 - 2⁶ = 345444179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345444293) 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, 57574038 + ... + 57574043.

It is an arithmetic number, because the mean of its divisors is an integer number (115148082).

Almost surely, 2^345444243 is an apocalyptic number.

345444243 is a deficient number, since it is larger than the sum of its proper divisors (115148085).

345444243 is a wasteful number, since it uses less digits than its factorization.

345444243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115148084.

The product of its digits is 92160, while the sum is 33.

The square root of 345444243 is about 18586.1303933874. The cubic root of 345444243 is about 701.6588162758.

Adding to 345444243 its reverse (342444543), we get a palindrome (687888786).

The spelling of 345444243 in words is "three hundred forty-five million, four hundred forty-four thousand, two hundred forty-three".