85100945 has 4 divisors (see below), whose sum is σ = 102121140. Its totient is φ = 68080752.

The previous prime is 85100927. The next prime is 85101007. The reversal of 85100945 is 54900158.

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 31854736 + 53246209 = 5644^2 + 7297^2 .

It is a cyclic number.

It is not a de Polignac number, because 85100945 - 2⁸ = 85100689 is a prime.

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, 8510090 + ... + 8510099.

It is an arithmetic number, because the mean of its divisors is an integer number (25530285).

Almost surely, 2^85100945 is an apocalyptic number.

It is an amenable number.

85100945 is a deficient number, since it is larger than the sum of its proper divisors (17020195).

85100945 is a wasteful number, since it uses less digits than its factorization.

85100945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020194.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 85100945 is about 9225.0173441571. The cubic root of 85100945 is about 439.8569524661.

The spelling of 85100945 in words is "eighty-five million, one hundred thousand, nine hundred forty-five".