165458229 has 16 divisors (see below), whose sum is σ = 233850240. Its totient is φ = 103700480.

The previous prime is 165458219. The next prime is 165458231. The reversal of 165458229 is 922854561.

It is a cyclic number.

It is not a de Polignac number, because 165458229 - 2⁵ = 165458197 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165458219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78469 + ... + 80549.

It is an arithmetic number, because the mean of its divisors is an integer number (14615640).

Almost surely, 2^165458229 is an apocalyptic number.

It is an amenable number.

165458229 is a deficient number, since it is larger than the sum of its proper divisors (68392011).

165458229 is a wasteful number, since it uses less digits than its factorization.

165458229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660.

The product of its digits is 172800, while the sum is 42.

The square root of 165458229 is about 12863.0567517989. The cubic root of 165458229 is about 548.9879228003.

The spelling of 165458229 in words is "one hundred sixty-five million, four hundred fifty-eight thousand, two hundred twenty-nine".