85156745 has 8 divisors (see below), whose sum is σ = 102275784. Its totient is φ = 68066944.

The previous prime is 85156733. The next prime is 85156751. The reversal of 85156745 is 54765158.

It can be written as a sum of positive squares in 4 ways, for example, as 6869641 + 78287104 = 2621^2 + 8848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85156745 - 2¹⁴ = 85140361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284 + ... + 13053.

It is an arithmetic number, because the mean of its divisors is an integer number (12784473).

Almost surely, 2^85156745 is an apocalyptic number.

It is an amenable number.

85156745 is a deficient number, since it is larger than the sum of its proper divisors (17119039).

85156745 is a wasteful number, since it uses less digits than its factorization.

85156745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14619.

The product of its digits is 168000, while the sum is 41.

The square root of 85156745 is about 9228.0412331112. The cubic root of 85156745 is about 439.9530683414.

The spelling of 85156745 in words is "eighty-five million, one hundred fifty-six thousand, seven hundred forty-five".