165054429 has 10 divisors (see below), whose sum is σ = 246562910. Its totient is φ = 110036232.

The previous prime is 165054427. The next prime is 165054431. The reversal of 165054429 is 924450561.

It is an interprime number because it is at equal distance from previous prime (165054427) and next prime (165054431).

It can be written as a sum of positive squares in only one way, i.e., 163788804 + 1265625 = 12798^2 + 1125^2 .

It is not a de Polignac number, because 165054429 - 2¹ = 165054427 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 165054393 and 165054402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165054427) 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 9 ways as a sum of consecutive naturals, for example, 1018774 + ... + 1018935.

It is an arithmetic number, because the mean of its divisors is an integer number (24656291).

Almost surely, 2^165054429 is an apocalyptic number.

It is an amenable number.

165054429 is a deficient number, since it is larger than the sum of its proper divisors (81508481).

165054429 is an equidigital number, since it uses as much as digits as its factorization.

165054429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037721 (or 2037712 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 165054429 is about 12847.3510499246. The cubic root of 165054429 is about 548.5409582162.

The spelling of 165054429 in words is "one hundred sixty-five million, fifty-four thousand, four hundred twenty-nine".