85090445 has 16 divisors (see below), whose sum is σ = 113764608. Its totient is φ = 60565440.

The previous prime is 85090441. The next prime is 85090451. The reversal of 85090445 is 54409058.

It is not a de Polignac number, because 85090445 - 2² = 85090441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85090441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13874 + ... + 19043.

It is an arithmetic number, because the mean of its divisors is an integer number (7110288).

Almost surely, 2^85090445 is an apocalyptic number.

It is an amenable number.

85090445 is a deficient number, since it is larger than the sum of its proper divisors (28674163).

85090445 is a wasteful number, since it uses less digits than its factorization.

85090445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32980.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 85090445 is about 9224.4482219805. The cubic root of 85090445 is about 439.8388614489.

The spelling of 85090445 in words is "eighty-five million, ninety thousand, four hundred forty-five".