1345224343 has 2 divisors, whose sum is σ = 1345224344. Its totient is φ = 1345224342.

The previous prime is 1345224319. The next prime is 1345224373. The reversal of 1345224343 is 3434225431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345224343 - 2⁵ = 1345224311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345224373) by changing a digit.

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 as a sum of consecutive naturals, namely, 672612171 + 672612172.

It is an arithmetic number, because the mean of its divisors is an integer number (672612172).

Almost surely, 2^1345224343 is an apocalyptic number.

1345224343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345224343 is an equidigital number, since it uses as much as digits as its factorization.

1345224343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 31.

The square root of 1345224343 is about 36677.3001051059. The cubic root of 1345224343 is about 1103.9046749482.

Adding to 1345224343 its reverse (3434225431), we get a palindrome (4779449774).

The spelling of 1345224343 in words is "one billion, three hundred forty-five million, two hundred twenty-four thousand, three hundred forty-three".