146633447 has 12 divisors (see below), whose sum is σ = 150623928. Its totient is φ = 142740000.

The previous prime is 146633437. The next prime is 146633471. The reversal of 146633447 is 744336641.

It is a happy number.

It is not a de Polignac number, because 146633447 - 2¹⁴ = 146617063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146633447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146633407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584072 + ... + 584322.

It is an arithmetic number, because the mean of its divisors is an integer number (12551994).

Almost surely, 2^146633447 is an apocalyptic number.

146633447 is a deficient number, since it is larger than the sum of its proper divisors (3990481).

146633447 is an equidigital number, since it uses as much as digits as its factorization.

146633447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 469 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 146633447 is about 12109.2298268717. The cubic root of 146633447 is about 527.3241743093.

The spelling of 146633447 in words is "one hundred forty-six million, six hundred thirty-three thousand, four hundred forty-seven".