1345892843 has 2 divisors, whose sum is σ = 1345892844. Its totient is φ = 1345892842.

The previous prime is 1345892831. The next prime is 1345892857. The reversal of 1345892843 is 3482985431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345892843 - 2²² = 1341698539 is a prime.

It is a super-2 number, since 2×1345892843² = 3622855089677245298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1345892803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672946421 + 672946422.

It is an arithmetic number, because the mean of its divisors is an integer number (672946422).

Almost surely, 2^1345892843 is an apocalyptic number.

1345892843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345892843 is an equidigital number, since it uses as much as digits as its factorization.

1345892843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The square root of 1345892843 is about 36686.4122394109. The cubic root of 1345892843 is about 1104.0875039491.

The spelling of 1345892843 in words is "one billion, three hundred forty-five million, eight hundred ninety-two thousand, eight hundred forty-three".