85353145 has 4 divisors (see below), whose sum is σ = 102423780. Its totient is φ = 68282512.

The previous prime is 85353143. The next prime is 85353167. The reversal of 85353145 is 54135358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32296489 + 53056656 = 5683^2 + 7284^2 .

It is a cyclic number.

It is not a de Polignac number, because 85353145 - 2¹ = 85353143 is a prime.

It is a super-2 number, since 2×85353145² = 14570318722782050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85353145.

It is not an unprimeable number, because it can be changed into a prime (85353143) 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 3 ways as a sum of consecutive naturals, for example, 8535310 + ... + 8535319.

It is an arithmetic number, because the mean of its divisors is an integer number (25605945).

Almost surely, 2^85353145 is an apocalyptic number.

It is an amenable number.

85353145 is a deficient number, since it is larger than the sum of its proper divisors (17070635).

85353145 is a wasteful number, since it uses less digits than its factorization.

85353145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070634.

The product of its digits is 36000, while the sum is 34.

The square root of 85353145 is about 9238.6765827146. The cubic root of 85353145 is about 440.2910350714.

The spelling of 85353145 in words is "eighty-five million, three hundred fifty-three thousand, one hundred forty-five".