85845043 has 2 divisors, whose sum is σ = 85845044. Its totient is φ = 85845042.

The previous prime is 85844989. The next prime is 85845047. The reversal of 85845043 is 34054858.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85845043 - 2⁹ = 85844531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85844993 and 85845011.

It is not a weakly prime, because it can be changed into another prime (85845047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42922521 + 42922522.

It is an arithmetic number, because the mean of its divisors is an integer number (42922522).

Almost surely, 2^85845043 is an apocalyptic number.

85845043 is a deficient number, since it is larger than the sum of its proper divisors (1).

85845043 is an equidigital number, since it uses as much as digits as its factorization.

85845043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 85845043 is about 9265.2600071450. The cubic root of 85845043 is about 441.1352279560.

The spelling of 85845043 in words is "eighty-five million, eight hundred forty-five thousand, forty-three".