1345365143 has 2 divisors, whose sum is σ = 1345365144. Its totient is φ = 1345365142.

The previous prime is 1345365139. The next prime is 1345365157. The reversal of 1345365143 is 3415635431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345365143 - 2² = 1345365139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345365743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672682571 + 672682572.

It is an arithmetic number, because the mean of its divisors is an integer number (672682572).

Almost surely, 2^1345365143 is an apocalyptic number.

1345365143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345365143 is an equidigital number, since it uses as much as digits as its factorization.

1345365143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 1345365143 is about 36679.2194982391. The cubic root of 1345365143 is about 1103.9431875717.

The spelling of 1345365143 in words is "one billion, three hundred forty-five million, three hundred sixty-five thousand, one hundred forty-three".