146829785 has 4 divisors (see below), whose sum is σ = 176195748. Its totient is φ = 117463824.

The previous prime is 146829779. The next prime is 146829817. The reversal of 146829785 is 587928641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 587928641 = 73 ⋅8053817.

It can be written as a sum of positive squares in 2 ways, for example, as 23464336 + 123365449 = 4844^2 + 11107^2 .

It is a cyclic number.

It is not a de Polignac number, because 146829785 - 2²⁴ = 130052569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14682974 + ... + 14682983.

It is an arithmetic number, because the mean of its divisors is an integer number (44048937).

Almost surely, 2^146829785 is an apocalyptic number.

It is an amenable number.

146829785 is a deficient number, since it is larger than the sum of its proper divisors (29365963).

146829785 is an equidigital number, since it uses as much as digits as its factorization.

146829785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29365962.

The product of its digits is 967680, while the sum is 50.

The square root of 146829785 is about 12117.3340714862. The cubic root of 146829785 is about 527.5594266809.

The spelling of 146829785 in words is "one hundred forty-six million, eight hundred twenty-nine thousand, seven hundred eighty-five".