85148238 has 32 divisors (see below), whose sum is σ = 195068160. Its totient is φ = 24272640.

The previous prime is 85148237. The next prime is 85148251. The reversal of 85148238 is 83284158.

It is a junction number, because it is equal to n+sod(n) for n = 85148196 and 85148205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85148233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18558 + ... + 22686.

It is an arithmetic number, because the mean of its divisors is an integer number (6095880).

Almost surely, 2^85148238 is an apocalyptic number.

85148238 is an abundant number, since it is smaller than the sum of its proper divisors (109919922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85148238 is a wasteful number, since it uses less digits than its factorization.

85148238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632.

The product of its digits is 61440, while the sum is 39.

The square root of 85148238 is about 9227.5802895450. The cubic root of 85148238 is about 439.9384176899.

The spelling of 85148238 in words is "eighty-five million, one hundred forty-eight thousand, two hundred thirty-eight".