1345442207 has 2 divisors, whose sum is σ = 1345442208. Its totient is φ = 1345442206.

The previous prime is 1345442177. The next prime is 1345442221. The reversal of 1345442207 is 7022445431.

It is a strong prime.

It is an emirp because it is prime and its reverse (7022445431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345442207 - 2¹² = 1345438111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345442107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672721103 + 672721104.

It is an arithmetic number, because the mean of its divisors is an integer number (672721104).

Almost surely, 2^1345442207 is an apocalyptic number.

1345442207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345442207 is an equidigital number, since it uses as much as digits as its factorization.

1345442207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 1345442207 is about 36680.2699962800. The cubic root of 1345442207 is about 1103.9642655306.

Adding to 1345442207 its reverse (7022445431), we get a palindrome (8367887638).

The spelling of 1345442207 in words is "one billion, three hundred forty-five million, four hundred forty-two thousand, two hundred seven".