405085165143 has 32 divisors (see below), whose sum is σ = 547577472000. Its totient is φ = 266348549376.

The previous prime is 405085165129. The next prime is 405085165157. The reversal of 405085165143 is 341561580504.

It is an interprime number because it is at equal distance from previous prime (405085165129) and next prime (405085165157).

It is not a de Polignac number, because 405085165143 - 2¹⁷ = 405085034071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405085165095 and 405085165104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405085165343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84584193 + ... + 84588981.

It is an arithmetic number, because the mean of its divisors is an integer number (17111796000).

Almost surely, 2^405085165143 is an apocalyptic number.

405085165143 is a deficient number, since it is larger than the sum of its proper divisors (142492306857).

405085165143 is a wasteful number, since it uses less digits than its factorization.

405085165143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 405085165143 in words is "four hundred five billion, eighty-five million, one hundred sixty-five thousand, one hundred forty-three".