855307245 has 16 divisors (see below), whose sum is σ = 1473760512. Its totient is φ = 421074240.

The previous prime is 855307241. The next prime is 855307259. The reversal of 855307245 is 542703558.

It is not a de Polignac number, because 855307245 - 2² = 855307241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855307241) 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, 2192901 + ... + 2193290.

It is an arithmetic number, because the mean of its divisors is an integer number (92110032).

Almost surely, 2^855307245 is an apocalyptic number.

It is an amenable number.

855307245 is a deficient number, since it is larger than the sum of its proper divisors (618453267).

855307245 is a wasteful number, since it uses less digits than its factorization.

855307245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386212.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 855307245 is about 29245.6363411706. The cubic root of 855307245 is about 949.2356714615.

The spelling of 855307245 in words is "eight hundred fifty-five million, three hundred seven thousand, two hundred forty-five".