146227188 has 24 divisors (see below), whose sum is σ = 342189792. Its totient is φ = 48600544.

The previous prime is 146227171. The next prime is 146227189. The reversal of 146227188 is 881722641.

It is a happy number.

146227188 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146227189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13395 + ... + 21722.

It is an arithmetic number, because the mean of its divisors is an integer number (14257908).

Almost surely, 2^146227188 is an apocalyptic number.

It is an amenable number.

146227188 is an abundant number, since it is smaller than the sum of its proper divisors (195962604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146227188 is a wasteful number, since it uses less digits than its factorization.

146227188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35471 (or 35469 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 146227188 is about 12092.4434255447. The cubic root of 146227188 is about 526.8367267586.

The spelling of 146227188 in words is "one hundred forty-six million, two hundred twenty-seven thousand, one hundred eighty-eight".