165144292 has 12 divisors (see below), whose sum is σ = 291864636. Its totient is φ = 81754400.

The previous prime is 165144281. The next prime is 165144311. The reversal of 165144292 is 292441561.

It can be written as a sum of positive squares in 2 ways, for example, as 96353856 + 68790436 = 9816^2 + 8294^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 203983 + ... + 204790.

It is an arithmetic number, because the mean of its divisors is an integer number (24322053).

Almost surely, 2^165144292 is an apocalyptic number.

It is an amenable number.

165144292 is a deficient number, since it is larger than the sum of its proper divisors (126720344).

165144292 is a wasteful number, since it uses less digits than its factorization.

165144292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408878 (or 408876 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 165144292 is about 12850.8479097684. The cubic root of 165144292 is about 548.6404902176.

The spelling of 165144292 in words is "one hundred sixty-five million, one hundred forty-four thousand, two hundred ninety-two".