85713445 has 4 divisors (see below), whose sum is σ = 102856140. Its totient is φ = 68570752.

The previous prime is 85713421. The next prime is 85713457. The reversal of 85713445 is 54431758.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11512449 + 74200996 = 3393^2 + 8614^2 .

It is a cyclic number.

It is not a de Polignac number, because 85713445 - 2¹³ = 85705253 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 8571340 + ... + 8571349.

It is an arithmetic number, because the mean of its divisors is an integer number (25714035).

Almost surely, 2^85713445 is an apocalyptic number.

It is an amenable number.

85713445 is a deficient number, since it is larger than the sum of its proper divisors (17142695).

85713445 is a wasteful number, since it uses less digits than its factorization.

85713445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17142694.

The product of its digits is 67200, while the sum is 37.

The square root of 85713445 is about 9258.1555938535. The cubic root of 85713445 is about 440.9096967692.

The spelling of 85713445 in words is "eighty-five million, seven hundred thirteen thousand, four hundred forty-five".