860144356 has 12 divisors (see below), whose sum is σ = 1505803068. Its totient is φ = 429914912.

The previous prime is 860144323. The next prime is 860144357. The reversal of 860144356 is 653441068.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 288456256 + 571688100 = 16984^2 + 23910^2 .

It is not an unprimeable number, because it can be changed into a prime (860144357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26551 + ... + 49246.

It is an arithmetic number, because the mean of its divisors is an integer number (125483589).

Almost surely, 2^860144356 is an apocalyptic number.

It is an amenable number.

860144356 is a deficient number, since it is larger than the sum of its proper divisors (645658712).

860144356 is a wasteful number, since it uses less digits than its factorization.

860144356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78638 (or 78636 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 860144356 is about 29328.2177433270. The cubic root of 860144356 is about 951.0217468618.

The spelling of 860144356 in words is "eight hundred sixty million, one hundred forty-four thousand, three hundred fifty-six".