146789388 has 24 divisors (see below), whose sum is σ = 380565360. Its totient is φ = 48929760.

The previous prime is 146789369. The next prime is 146789399. The reversal of 146789388 is 883987641.

146789388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679473 + ... + 679688.

It is an arithmetic number, because the mean of its divisors is an integer number (15856890).

Almost surely, 2^146789388 is an apocalyptic number.

146789388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

146789388 is an abundant number, since it is smaller than the sum of its proper divisors (233775972).

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

146789388 is a wasteful number, since it uses less digits than its factorization.

146789388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359174 (or 1359166 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 146789388 is about 12115.6670472574. The cubic root of 146789388 is about 527.5110401020.

The spelling of 146789388 in words is "one hundred forty-six million, seven hundred eighty-nine thousand, three hundred eighty-eight".