146390228 has 12 divisors (see below), whose sum is σ = 257205312. Its totient is φ = 72903000.

The previous prime is 146390221. The next prime is 146390249. The reversal of 146390228 is 822093641.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146390221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71900 + ... + 73907.

It is an arithmetic number, because the mean of its divisors is an integer number (21433776).

Almost surely, 2^146390228 is an apocalyptic number.

It is an amenable number.

146390228 is a deficient number, since it is larger than the sum of its proper divisors (110815084).

146390228 is a wasteful number, since it uses less digits than its factorization.

146390228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146062 (or 146060 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 146390228 is about 12099.1829476209. The cubic root of 146390228 is about 527.0324577008.

The spelling of 146390228 in words is "one hundred forty-six million, three hundred ninety thousand, two hundred twenty-eight".