146889232 has 40 divisors (see below), whose sum is σ = 330782400. Its totient is φ = 61882752.

The previous prime is 146889229. The next prime is 146889251. The reversal of 146889232 is 232988641.

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, 4507 + ... + 17722.

It is an arithmetic number, because the mean of its divisors is an integer number (8269560).

Almost surely, 2^146889232 is an apocalyptic number.

It is an amenable number.

146889232 is an abundant number, since it is smaller than the sum of its proper divisors (183893168).

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

146889232 is a wasteful number, since it uses less digits than its factorization.

146889232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22303 (or 22297 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 146889232 is about 12119.7867968046. The cubic root of 146889232 is about 527.6306147660.

The spelling of 146889232 in words is "one hundred forty-six million, eight hundred eighty-nine thousand, two hundred thirty-two".