146989892 has 12 divisors (see below), whose sum is σ = 293979840. Its totient is φ = 62995656.

The previous prime is 146989891. The next prime is 146989907. The reversal of 146989892 is 298989641.

146989892 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (146989891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624792 + ... + 2624847.

It is an arithmetic number, because the mean of its divisors is an integer number (24498320).

Almost surely, 2^146989892 is an apocalyptic number.

It is an amenable number.

146989892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

146989892 is a wasteful number, since it uses less digits than its factorization.

146989892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249650 (or 5249648 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The square root of 146989892 is about 12123.9387989217. The cubic root of 146989892 is about 527.7511118453.

The spelling of 146989892 in words is "one hundred forty-six million, nine hundred eighty-nine thousand, eight hundred ninety-two".