345052243 has 2 divisors, whose sum is σ = 345052244. Its totient is φ = 345052242.

The previous prime is 345052231. The next prime is 345052249. The reversal of 345052243 is 342250543.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345052243 is a prime.

It is a super-2 number, since 2×345052243² = 238122100798662098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345052249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172526121 + 172526122.

It is an arithmetic number, because the mean of its divisors is an integer number (172526122).

Almost surely, 2^345052243 is an apocalyptic number.

345052243 is a deficient number, since it is larger than the sum of its proper divisors (1).

345052243 is an equidigital number, since it uses as much as digits as its factorization.

345052243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 345052243 is about 18575.5819020563. The cubic root of 345052243 is about 701.3933085353.

The spelling of 345052243 in words is "three hundred forty-five million, fifty-two thousand, two hundred forty-three".