1085428158 has 16 divisors (see below), whose sum is σ = 2195249040. Its totient is φ = 357743936.

The previous prime is 1085428151. The next prime is 1085428159. The reversal of 1085428158 is 8518245801.

It is a super-3 number, since 3×1085428158³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085428151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015785 + ... + 1016852.

It is an arithmetic number, because the mean of its divisors is an integer number (137203065).

Almost surely, 2^1085428158 is an apocalyptic number.

1085428158 is an abundant number, since it is smaller than the sum of its proper divisors (1109820882).

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

1085428158 is a wasteful number, since it uses less digits than its factorization.

1085428158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032731.

The product of its (nonzero) digits is 102400, while the sum is 42.

The square root of 1085428158 is about 32945.8367324310. The cubic root of 1085428158 is about 1027.7015887822.

The spelling of 1085428158 in words is "one billion, eighty-five million, four hundred twenty-eight thousand, one hundred fifty-eight".