102165230 has 16 divisors (see below), whose sum is σ = 184114080. Its totient is φ = 40817952.

The previous prime is 102165229. The next prime is 102165233. The reversal of 102165230 is 32561201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102165233) 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, 3632 + ... + 14748.

It is an arithmetic number, because the mean of its divisors is an integer number (11507130).

Almost surely, 2^102165230 is an apocalyptic number.

102165230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102165230 is a deficient number, since it is larger than the sum of its proper divisors (81948850).

102165230 is a wasteful number, since it uses less digits than its factorization.

102165230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 102165230 is about 10107.6817322272. The cubic root of 102165230 is about 467.4850272117.

The spelling of 102165230 in words is "one hundred two million, one hundred sixty-five thousand, two hundred thirty".