146728888 has 16 divisors (see below), whose sum is σ = 275255280. Its totient is φ = 73327488.

The previous prime is 146728847. The next prime is 146728889. The reversal of 146728888 is 888827641.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146728889) 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 3 ways as a sum of consecutive naturals, for example, 19920 + ... + 26272.

It is an arithmetic number, because the mean of its divisors is an integer number (17203455).

Almost surely, 2^146728888 is an apocalyptic number.

It is an amenable number.

146728888 is a deficient number, since it is larger than the sum of its proper divisors (128526392).

146728888 is a wasteful number, since it uses less digits than its factorization.

146728888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246 (or 9242 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 52.

The square root of 146728888 is about 12113.1700227480. The cubic root of 146728888 is about 527.4385580151.

The spelling of 146728888 in words is "one hundred forty-six million, seven hundred twenty-eight thousand, eight hundred eighty-eight".