146805285 has 64 divisors (see below), whose sum is σ = 273715200. Its totient is φ = 66401280.

The previous prime is 146805277. The next prime is 146805289. The reversal of 146805285 is 582508641.

It is not a de Polignac number, because 146805285 - 2³ = 146805277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146805289) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 558064 + ... + 558326.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^146805285 is an apocalyptic number.

146805285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146805285 is a deficient number, since it is larger than the sum of its proper divisors (126909915).

146805285 is a wasteful number, since it uses less digits than its factorization.

146805285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 146805285 is about 12116.3230808690. The cubic root of 146805285 is about 527.5300822149.

The spelling of 146805285 in words is "one hundred forty-six million, eight hundred five thousand, two hundred eighty-five".