165430143 has 12 divisors (see below), whose sum is σ = 240195280. Its totient is φ = 109714176.

The previous prime is 165430141. The next prime is 165430147. The reversal of 165430143 is 341034561.

165430143 is a `hidden beast` number, since 1 + 654 + 3 + 0 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 165430143 - 2¹ = 165430141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165430141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45883 + ... + 49356.

Almost surely, 2^165430143 is an apocalyptic number.

165430143 is a deficient number, since it is larger than the sum of its proper divisors (74765137).

165430143 is a wasteful number, since it uses less digits than its factorization.

165430143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95438 (or 95435 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 165430143 is about 12861.9649742953. The cubic root of 165430143 is about 548.9568580669.

The spelling of 165430143 in words is "one hundred sixty-five million, four hundred thirty thousand, one hundred forty-three".