146224799 has 12 divisors (see below), whose sum is σ = 172686672. Its totient is φ = 121286880.

The previous prime is 146224787. The next prime is 146224801. The reversal of 146224799 is 997422641.

It is not a de Polignac number, because 146224799 - 2⁸ = 146224543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146224709) 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, 4142 + ... + 17595.

It is an arithmetic number, because the mean of its divisors is an integer number (14390556).

Almost surely, 2^146224799 is an apocalyptic number.

146224799 is a deficient number, since it is larger than the sum of its proper divisors (26461873).

146224799 is an equidigital number, since it uses as much as digits as its factorization.

146224799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21806 (or 21775 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 146224799 is about 12092.3446444434. The cubic root of 146224799 is about 526.8338576620.

The spelling of 146224799 in words is "one hundred forty-six million, two hundred twenty-four thousand, seven hundred ninety-nine".