165223254 has 16 divisors (see below), whose sum is σ = 377653248. Its totient is φ = 47206632.

The previous prime is 165223229. The next prime is 165223277. The reversal of 165223254 is 452322561.

165223254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966902 + ... + 1966985.

It is an arithmetic number, because the mean of its divisors is an integer number (23603328).

Almost surely, 2^165223254 is an apocalyptic number.

165223254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165223254 is an abundant number, since it is smaller than the sum of its proper divisors (212429994).

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

165223254 is a wasteful number, since it uses less digits than its factorization.

165223254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933899.

The product of its digits is 14400, while the sum is 30.

The square root of 165223254 is about 12853.9197912543. The cubic root of 165223254 is about 548.7279185044.

The spelling of 165223254 in words is "one hundred sixty-five million, two hundred twenty-three thousand, two hundred fifty-four".