165155242 has 8 divisors (see below), whose sum is σ = 283123296. Its totient is φ = 70780812.

The previous prime is 165155233. The next prime is 165155269. The reversal of 165155242 is 242551561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5898388 + ... + 5898415.

It is an arithmetic number, because the mean of its divisors is an integer number (35390412).

Almost surely, 2^165155242 is an apocalyptic number.

165155242 is a deficient number, since it is larger than the sum of its proper divisors (117968054).

165155242 is a wasteful number, since it uses less digits than its factorization.

165155242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796812.

The product of its digits is 12000, while the sum is 31.

The square root of 165155242 is about 12851.2739446329. The cubic root of 165155242 is about 548.6526159381.

The spelling of 165155242 in words is "one hundred sixty-five million, one hundred fifty-five thousand, two hundred forty-two".