143640426344005 has 32 divisors (see below), whose sum is σ = 186425417880576. Its totient is φ = 105832111785984.

The previous prime is 143640426343991. The next prime is 143640426344017. The reversal of 143640426344005 is 500443624046341.

It is not a de Polignac number, because 143640426344005 - 2⁷ = 143640426343877 is a prime.

It is a super-2 number, since 2×143640426344005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18322192 + ... + 24959638.

It is an arithmetic number, because the mean of its divisors is an integer number (5825794308768).

Almost surely, 2^{143640426344005} is an apocalyptic number.

It is an amenable number.

143640426344005 is a deficient number, since it is larger than the sum of its proper divisors (42784991536571).

143640426344005 is a wasteful number, since it uses less digits than its factorization.

143640426344005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642933.

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 143640426344005 in words is "one hundred forty-three trillion, six hundred forty billion, four hundred twenty-six million, three hundred forty-four thousand, five".