85146418 has 12 divisors (see below), whose sum is σ = 148571982. Its totient is φ = 36491280.

The previous prime is 85146409. The next prime is 85146433. The reversal of 85146418 is 81464158.

It can be written as a sum of positive squares in only one way, i.e., 80407089 + 4739329 = 8967^2 + 2177^2 .

It is a super-3 number, since 3×85146418³ (a number of 25 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 434323 + ... + 434518.

Almost surely, 2^85146418 is an apocalyptic number.

85146418 is a deficient number, since it is larger than the sum of its proper divisors (63425564).

85146418 is a wasteful number, since it uses less digits than its factorization.

85146418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868857 (or 868850 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 85146418 is about 9227.4816716155. The cubic root of 85146418 is about 439.9352831814.

The spelling of 85146418 in words is "eighty-five million, one hundred forty-six thousand, four hundred eighteen".