165146052 has 24 divisors (see below), whose sum is σ = 397772032. Its totient is φ = 53272800.

The previous prime is 165146027. The next prime is 165146053. The reversal of 165146052 is 250641561.

It is not an unprimeable number, because it can be changed into a prime (165146053) 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 7 ways as a sum of consecutive naturals, for example, 221599 + ... + 222342.

Almost surely, 2^165146052 is an apocalyptic number.

165146052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165146052 is an abundant number, since it is smaller than the sum of its proper divisors (232625980).

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

165146052 is a wasteful number, since it uses less digits than its factorization.

165146052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443979 (or 443977 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 165146052 is about 12850.9163875577. The cubic root of 165146052 is about 548.6424392280.

The spelling of 165146052 in words is "one hundred sixty-five million, one hundred forty-six thousand, fifty-two".