854866145 has 16 divisors (see below), whose sum is σ = 1234093440. Its totient is φ = 555341184.

The previous prime is 854866123. The next prime is 854866151. The reversal of 854866145 is 541668458.

854866145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 854866145 - 2⁶ = 854866081 is a prime.

It is a super-2 number, since 2×854866145² = 1461592251734322050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 854866145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642092 + ... + 643421.

It is an arithmetic number, because the mean of its divisors is an integer number (77130840).

Almost surely, 2^854866145 is an apocalyptic number.

It is an amenable number.

854866145 is a deficient number, since it is larger than the sum of its proper divisors (379227295).

854866145 is a wasteful number, since it uses less digits than its factorization.

854866145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285544.

The product of its digits is 921600, while the sum is 47.

The square root of 854866145 is about 29238.0940726307. The cubic root of 854866145 is about 949.0724631109.

The spelling of 854866145 in words is "eight hundred fifty-four million, eight hundred sixty-six thousand, one hundred forty-five".