854149465 has 48 divisors (see below), whose sum is σ = 1180947600. Its totient is φ = 589400064.

The previous prime is 854149451. The next prime is 854149487. The reversal of 854149465 is 564941458.

It is a happy number.

854149465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 29942784 + 824206681 = 5472^2 + 28709^2 .

It is not a de Polignac number, because 854149465 - 2¹⁷ = 854018393 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2088181 + ... + 2088589.

It is an arithmetic number, because the mean of its divisors is an integer number (24603075).

Almost surely, 2^854149465 is an apocalyptic number.

It is an amenable number.

854149465 is a deficient number, since it is larger than the sum of its proper divisors (326798135).

854149465 is a wasteful number, since it uses less digits than its factorization.

854149465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 535 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 854149465 is about 29225.8355740259. The cubic root of 854149465 is about 948.8071695625.

The spelling of 854149465 in words is "eight hundred fifty-four million, one hundred forty-nine thousand, four hundred sixty-five".