85841345 has 4 divisors (see below), whose sum is σ = 103009620. Its totient is φ = 68673072.

The previous prime is 85841311. The next prime is 85841351. The reversal of 85841345 is 54314858.

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 50367409 + 35473936 = 7097^2 + 5956^2 .

It is a cyclic number.

It is not a de Polignac number, because 85841345 - 2¹² = 85837249 is a prime.

It is a super-2 number, since 2×85841345² = 14737473022818050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85841299 and 85841308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8584130 + ... + 8584139.

It is an arithmetic number, because the mean of its divisors is an integer number (25752405).

Almost surely, 2^85841345 is an apocalyptic number.

It is an amenable number.

85841345 is a deficient number, since it is larger than the sum of its proper divisors (17168275).

85841345 is a wasteful number, since it uses less digits than its factorization.

85841345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17168274.

The product of its digits is 76800, while the sum is 38.

The square root of 85841345 is about 9265.0604423285. The cubic root of 85841345 is about 441.1288935134.

The spelling of 85841345 in words is "eighty-five million, eight hundred forty-one thousand, three hundred forty-five".