165145029 has 16 divisors (see below), whose sum is σ = 259768320. Its totient is φ = 91324080.

The previous prime is 165145027. The next prime is 165145031. The reversal of 165145029 is 920541561.

It is an interprime number because it is at equal distance from previous prime (165145027) and next prime (165145031).

It is not a de Polignac number, because 165145029 - 2¹ = 165145027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165145027) 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 15 ways as a sum of consecutive naturals, for example, 126189 + ... + 127490.

It is an arithmetic number, because the mean of its divisors is an integer number (16235520).

Almost surely, 2^165145029 is an apocalyptic number.

It is an amenable number.

165145029 is a deficient number, since it is larger than the sum of its proper divisors (94623291).

165145029 is a wasteful number, since it uses less digits than its factorization.

165145029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253720.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 165145029 is about 12850.8765848871. The cubic root of 165145029 is about 548.6413063674.

The spelling of 165145029 in words is "one hundred sixty-five million, one hundred forty-five thousand, twenty-nine".