85550142 has 48 divisors (see below), whose sum is σ = 182028816. Its totient is φ = 26784000.

The previous prime is 85550119. The next prime is 85550189. The reversal of 85550142 is 24105558.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 213142 + ... + 213542.

It is an arithmetic number, because the mean of its divisors is an integer number (3792267).

Almost surely, 2^85550142 is an apocalyptic number.

85550142 is an abundant number, since it is smaller than the sum of its proper divisors (96478674).

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

85550142 is a wasteful number, since it uses less digits than its factorization.

85550142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 85550142 is about 9249.3319758780. The cubic root of 85550142 is about 440.6295087110.

The spelling of 85550142 in words is "eighty-five million, five hundred fifty thousand, one hundred forty-two".