165451230 has 48 divisors (see below), whose sum is σ = 491628384. Its totient is φ = 37817280.

The previous prime is 165451217. The next prime is 165451249. The reversal of 165451230 is 32154561.

165451230 is a `hidden beast` number, since 1 + 654 + 5 + 1 + 2 + 3 + 0 = 666.

165451230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 165451194 and 165451203.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 130681 + ... + 131940.

It is an arithmetic number, because the mean of its divisors is an integer number (10242258).

Almost surely, 2^165451230 is an apocalyptic number.

165451230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165451230 is an abundant number, since it is smaller than the sum of its proper divisors (326177154).

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

165451230 is a wasteful number, since it uses less digits than its factorization.

165451230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262641 (or 262638 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 165451230 is about 12862.7846907270. The cubic root of 165451230 is about 548.9801818321.

The spelling of 165451230 in words is "one hundred sixty-five million, four hundred fifty-one thousand, two hundred thirty".