146206530 has 48 divisors (see below), whose sum is σ = 384429240. Its totient is φ = 38548224.

The previous prime is 146206513. The next prime is 146206531. The reversal of 146206530 is 35602641.

146206530 is a `hidden beast` number, since 1 + 4 + 6 + 2 + 0 + 653 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 43204329 + 103002201 = 6573^2 + 10149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146206494 and 146206503.

It is not an unprimeable number, because it can be changed into a prime (146206531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117 + ... + 17136.

Almost surely, 2^146206530 is an apocalyptic number.

146206530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 146206530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192214620).

146206530 is an abundant number, since it is smaller than the sum of its proper divisors (238222710).

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

146206530 is a wasteful number, since it uses less digits than its factorization.

146206530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18355 (or 18352 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 146206530 is about 12091.5892255733. The cubic root of 146206530 is about 526.8119162661.

The spelling of 146206530 in words is "one hundred forty-six million, two hundred six thousand, five hundred thirty".