146075220 has 72 divisors (see below), whose sum is σ = 469169064. Its totient is φ = 36661248.

The previous prime is 146075191. The next prime is 146075227. The reversal of 146075220 is 22570641.

146075220 is a `hidden beast` number, since 1 + 4 + 607 + 52 + 2 + 0 = 666.

146075220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5225796 + 140849424 = 2286^2 + 11868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146075227) 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, 20809 + ... + 26928.

It is an arithmetic number, because the mean of its divisors is an integer number (6516237).

Almost surely, 2^146075220 is an apocalyptic number.

146075220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146075220 is an abundant number, since it is smaller than the sum of its proper divisors (323093844).

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

146075220 is a wasteful number, since it uses less digits than its factorization.

146075220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47769 (or 47764 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 146075220 is about 12086.1581985344. The cubic root of 146075220 is about 526.6541568002.

The spelling of 146075220 in words is "one hundred forty-six million, seventy-five thousand, two hundred twenty".