1345432307 has 2 divisors, whose sum is σ = 1345432308. Its totient is φ = 1345432306.

The previous prime is 1345432301. The next prime is 1345432337. The reversal of 1345432307 is 7032345431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345432307 - 2¹² = 1345428211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345432301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672716153 + 672716154.

It is an arithmetic number, because the mean of its divisors is an integer number (672716154).

Almost surely, 2^1345432307 is an apocalyptic number.

1345432307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345432307 is an equidigital number, since it uses as much as digits as its factorization.

1345432307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 1345432307 is about 36680.1350460982. The cubic root of 1345432307 is about 1103.9615578030.

Adding to 1345432307 its reverse (7032345431), we get a palindrome (8377777738).

The spelling of 1345432307 in words is "one billion, three hundred forty-five million, four hundred thirty-two thousand, three hundred seven".