146634223 has 4 divisors (see below), whose sum is σ = 153009648. Its totient is φ = 140258800.

The previous prime is 146634217. The next prime is 146634227. The reversal of 146634223 is 322436641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146634223 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146634227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3187678 + ... + 3187723.

It is an arithmetic number, because the mean of its divisors is an integer number (38252412).

Almost surely, 2^146634223 is an apocalyptic number.

146634223 is a deficient number, since it is larger than the sum of its proper divisors (6375425).

146634223 is an equidigital number, since it uses as much as digits as its factorization.

146634223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375424.

The product of its digits is 20736, while the sum is 31.

The square root of 146634223 is about 12109.2618685038. The cubic root of 146634223 is about 527.3251045265.

The spelling of 146634223 in words is "one hundred forty-six million, six hundred thirty-four thousand, two hundred twenty-three".