85841145 has 48 divisors (see below), whose sum is σ = 168692160. Its totient is φ = 40030848.

The previous prime is 85841117. The next prime is 85841149. The reversal of 85841145 is 54114858.

It is not a de Polignac number, because 85841145 - 2⁵ = 85841113 is a prime.

It is a super-2 number, since 2×85841145² = 14737404349822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85841149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7254 + ... + 14976.

It is an arithmetic number, because the mean of its divisors is an integer number (3514420).

Almost surely, 2^85841145 is an apocalyptic number.

It is an amenable number.

85841145 is a deficient number, since it is larger than the sum of its proper divisors (82851015).

85841145 is a wasteful number, since it uses less digits than its factorization.

85841145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766 (or 7763 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 85841145 is about 9265.0496490845. The cubic root of 85841145 is about 441.1285509207.

The spelling of 85841145 in words is "eighty-five million, eight hundred forty-one thousand, one hundred forty-five".