865230144351 has 24 divisors (see below), whose sum is σ = 1199792605440. Its totient is φ = 554599111584.

The previous prime is 865230144313. The next prime is 865230144371. The reversal of 865230144351 is 153441032568.

It is not a de Polignac number, because 865230144351 - 2⁶ = 865230144287 is a prime.

It is a super-2 number, since 2×865230144351² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865230144371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114445 + ... + 1320438.

It is an arithmetic number, because the mean of its divisors is an integer number (49991358560).

Almost surely, 2^865230144351 is an apocalyptic number.

865230144351 is a deficient number, since it is larger than the sum of its proper divisors (334562461089).

865230144351 is a wasteful number, since it uses less digits than its factorization.

865230144351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435183 (or 1435154 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 865230144351 in words is "eight hundred sixty-five billion, two hundred thirty million, one hundred forty-four thousand, three hundred fifty-one".