165032242 has 4 divisors (see below), whose sum is σ = 247548366. Its totient is φ = 82516120.

The previous prime is 165032227. The next prime is 165032281. The reversal of 165032242 is 242230561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136399041 + 28633201 = 11679^2 + 5351^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41258059 + ... + 41258062.

Almost surely, 2^165032242 is an apocalyptic number.

165032242 is a deficient number, since it is larger than the sum of its proper divisors (82516124).

165032242 is an equidigital number, since it uses as much as digits as its factorization.

165032242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82516123.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 165032242 is about 12846.4875355095. The cubic root of 165032242 is about 548.5163783979.

The spelling of 165032242 in words is "one hundred sixty-five million, thirty-two thousand, two hundred forty-two".