146215232 has 56 divisors (see below), whose sum is σ = 320625216. Its totient is φ = 65804288.

The previous prime is 146215213. The next prime is 146215297. The reversal of 146215232 is 232512641.

It is a happy number.

It is a congruent number.

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, 22103 + ... + 27945.

Almost surely, 2^146215232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146215232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160312608).

146215232 is an abundant number, since it is smaller than the sum of its proper divisors (174409984).

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

146215232 is a wasteful number, since it uses less digits than its factorization.

146215232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895 (or 5885 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 146215232 is about 12091.9490571206. The cubic root of 146215232 is about 526.8223677517.

Adding to 146215232 its reverse (232512641), we get a palindrome (378727873).

The spelling of 146215232 in words is "one hundred forty-six million, two hundred fifteen thousand, two hundred thirty-two".