165430043 has 8 divisors (see below), whose sum is σ = 180812160. Its totient is φ = 150675840.

The previous prime is 165430019. The next prime is 165430049. The reversal of 165430043 is 340034561.

165430043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165430043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165429994 and 165430021.

It is not an unprimeable number, because it can be changed into a prime (165430049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156428 + ... + 157481.

It is an arithmetic number, because the mean of its divisors is an integer number (22601520).

Almost surely, 2^165430043 is an apocalyptic number.

165430043 is a deficient number, since it is larger than the sum of its proper divisors (15382117).

165430043 is a wasteful number, since it uses less digits than its factorization.

165430043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313957.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 165430043 is about 12861.9610868639. The cubic root of 165430043 is about 548.9567474548.

The spelling of 165430043 in words is "one hundred sixty-five million, four hundred thirty thousand, forty-three".