146215312 has 20 divisors (see below), whose sum is σ = 283481856. Its totient is φ = 73058720.

The previous prime is 146215297. The next prime is 146215319. The reversal of 146215312 is 213512641.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (146215319) 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, 39693 + ... + 43219.

Almost surely, 2^146215312 is an apocalyptic number.

It is an amenable number.

146215312 is a deficient number, since it is larger than the sum of its proper divisors (137266544).

146215312 is a wasteful number, since it uses less digits than its factorization.

146215312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126 (or 6120 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 146215312 is about 12091.9523651063. The cubic root of 146215312 is about 526.8224638333.

Adding to 146215312 its reverse (213512641), we get a palindrome (359727953).

The spelling of 146215312 in words is "one hundred forty-six million, two hundred fifteen thousand, three hundred twelve".