85499151 has 8 divisors (see below), whose sum is σ = 114629424. Its totient is φ = 56684160.

The previous prime is 85499149. The next prime is 85499189. The reversal of 85499151 is 15199458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85499151 - 2¹ = 85499149 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85499101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78186 + ... + 79271.

It is an arithmetic number, because the mean of its divisors is an integer number (14328678).

Almost surely, 2^85499151 is an apocalyptic number.

85499151 is a deficient number, since it is larger than the sum of its proper divisors (29130273).

85499151 is a wasteful number, since it uses less digits than its factorization.

85499151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157641.

The product of its digits is 64800, while the sum is 42.

The square root of 85499151 is about 9246.5750956773. The cubic root of 85499151 is about 440.5419475678.

The spelling of 85499151 in words is "eighty-five million, four hundred ninety-nine thousand, one hundred fifty-one".