1345572443 has 2 divisors, whose sum is σ = 1345572444. Its totient is φ = 1345572442.

The previous prime is 1345572407. The next prime is 1345572461. The reversal of 1345572443 is 3442755431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1345572443 - 2¹² = 1345568347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345572397 and 1345572406.

It is not a weakly prime, because it can be changed into another prime (1345571443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672786221 + 672786222.

It is an arithmetic number, because the mean of its divisors is an integer number (672786222).

Almost surely, 2^1345572443 is an apocalyptic number.

1345572443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345572443 is an equidigital number, since it uses as much as digits as its factorization.

1345572443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 38.

The square root of 1345572443 is about 36682.0452401444. The cubic root of 1345572443 is about 1103.9998848609. Note that the first 3 decimals are identical.

The spelling of 1345572443 in words is "one billion, three hundred forty-five million, five hundred seventy-two thousand, four hundred forty-three".