134645443 has 2 divisors, whose sum is σ = 134645444. Its totient is φ = 134645442.

The previous prime is 134645437. The next prime is 134645471. The reversal of 134645443 is 344546431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134645443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134645399 and 134645408.

It is not a weakly prime, because it can be changed into another prime (134645843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67322721 + 67322722.

It is an arithmetic number, because the mean of its divisors is an integer number (67322722).

Almost surely, 2^134645443 is an apocalyptic number.

134645443 is a deficient number, since it is larger than the sum of its proper divisors (1).

134645443 is an equidigital number, since it uses as much as digits as its factorization.

134645443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 34.

The square root of 134645443 is about 11603.6823034759. The cubic root of 134645443 is about 512.5432910486.

The spelling of 134645443 in words is "one hundred thirty-four million, six hundred forty-five thousand, four hundred forty-three".