146224771 has 12 divisors (see below), whose sum is σ = 185562360. Its totient is φ = 113940960.

The previous prime is 146224763. The next prime is 146224781. The reversal of 146224771 is 177422641.

It is a happy number.

146224771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146224771 - 2³ = 146224763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146224781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135106 + ... + 136183.

It is an arithmetic number, because the mean of its divisors is an integer number (15463530).

Almost surely, 2^146224771 is an apocalyptic number.

146224771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

146224771 is a deficient number, since it is larger than the sum of its proper divisors (39337589).

146224771 is a wasteful number, since it uses less digits than its factorization.

146224771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271314 (or 271307 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 146224771 is about 12092.3434866861. The cubic root of 146224771 is about 526.8338240349.

The spelling of 146224771 in words is "one hundred forty-six million, two hundred twenty-four thousand, seven hundred seventy-one".