85537142 has 8 divisors (see below), whose sum is σ = 128385432. Its totient is φ = 42742000.

The previous prime is 85537141. The next prime is 85537157. The reversal of 85537142 is 24173558.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85537141) 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, 8984 + ... + 15867.

It is an arithmetic number, because the mean of its divisors is an integer number (16048179).

Almost surely, 2^85537142 is an apocalyptic number.

85537142 is a deficient number, since it is larger than the sum of its proper divisors (42848290).

85537142 is a wasteful number, since it uses less digits than its factorization.

85537142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26574.

The product of its digits is 33600, while the sum is 35.

The square root of 85537142 is about 9248.6291957241. The cubic root of 85537142 is about 440.6071885696.

The spelling of 85537142 in words is "eighty-five million, five hundred thirty-seven thousand, one hundred forty-two".