85890141 has 12 divisors (see below), whose sum is σ = 128341980. Its totient is φ = 55285440.

The previous prime is 85890131. The next prime is 85890149. The reversal of 85890141 is 14109858.

It can be written as a sum of positive squares in 2 ways, for example, as 14976900 + 70913241 = 3870^2 + 8421^2 .

It is not a de Polignac number, because 85890141 - 2⁵ = 85890109 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 85890096 and 85890105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85890149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164280 + ... + 164801.

It is an arithmetic number, because the mean of its divisors is an integer number (10695165).

Almost surely, 2^85890141 is an apocalyptic number.

It is an amenable number.

85890141 is a deficient number, since it is larger than the sum of its proper divisors (42451839).

85890141 is a wasteful number, since it uses less digits than its factorization.

85890141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329116 (or 329113 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 85890141 is about 9267.6934023521. The cubic root of 85890141 is about 441.2124633757.

Adding to 85890141 its reverse (14109858), we get a palindrome (99999999).

The spelling of 85890141 in words is "eighty-five million, eight hundred ninety thousand, one hundred forty-one".