85842153 has 8 divisors (see below), whose sum is σ = 127173600. Its totient is φ = 57228084.

The previous prime is 85842149. The next prime is 85842167. The reversal of 85842153 is 35124858.

It is a happy number.

85842153 is a `hidden beast` number, since 8 + 584 + 21 + 53 = 666.

It is not a de Polignac number, because 85842153 - 2² = 85842149 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85842103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1589643 + ... + 1589696.

It is an arithmetic number, because the mean of its divisors is an integer number (15896700).

Almost surely, 2^85842153 is an apocalyptic number.

It is an amenable number.

85842153 is a deficient number, since it is larger than the sum of its proper divisors (41331447).

85842153 is a wasteful number, since it uses less digits than its factorization.

85842153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179348 (or 3179342 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 85842153 is about 9265.1040469063. The cubic root of 85842153 is about 441.1302775824.

The spelling of 85842153 in words is "eighty-five million, eight hundred forty-two thousand, one hundred fifty-three".