165307242 has 16 divisors (see below), whose sum is σ = 331794432. Its totient is φ = 54905760.

The previous prime is 165307237. The next prime is 165307243. The reversal of 165307242 is 242703561.

It is not an unprimeable number, because it can be changed into a prime (165307243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47338 + ... + 50709.

It is an arithmetic number, because the mean of its divisors is an integer number (20737152).

Almost surely, 2^165307242 is an apocalyptic number.

165307242 is an abundant number, since it is smaller than the sum of its proper divisors (166487190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165307242 is a wasteful number, since it uses less digits than its factorization.

165307242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98333.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 165307242 is about 12857.1863951644. The cubic root of 165307242 is about 548.8208811120.

The spelling of 165307242 in words is "one hundred sixty-five million, three hundred seven thousand, two hundred forty-two".