143435366397 has 6 divisors (see below), whose sum is σ = 207184418142. Its totient is φ = 95623577592.

The previous prime is 143435366377. The next prime is 143435366413. The reversal of 143435366397 is 793663534341.

143435366397 is a `hidden beast` number, since 1 + 4 + 3 + 43 + 536 + 63 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 140159635641 + 3275730756 = 374379^2 + 57234^2 .

It is not a de Polignac number, because 143435366397 - 2¹⁰ = 143435365373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143435366377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7968631458 + ... + 7968631475.

It is an arithmetic number, because the mean of its divisors is an integer number (34530736357).

Almost surely, 2^143435366397 is an apocalyptic number.

It is an amenable number.

143435366397 is a deficient number, since it is larger than the sum of its proper divisors (63749051745).

143435366397 is a wasteful number, since it uses less digits than its factorization.

143435366397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15937262939 (or 15937262936 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 54.

The spelling of 143435366397 in words is "one hundred forty-three billion, four hundred thirty-five million, three hundred sixty-six thousand, three hundred ninety-seven".