146313215 has 16 divisors (see below), whose sum is σ = 182921760. Its totient is φ = 112250880.

The previous prime is 146313187. The next prime is 146313217. The reversal of 146313215 is 512313641.

It is a Cunningham number, because it is equal to 12096²-1.

It is not a de Polignac number, because 146313215 - 2¹⁴ = 146296831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146313217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6047 + ... + 18143.

It is an arithmetic number, because the mean of its divisors is an integer number (11432610).

Almost surely, 2^146313215 is an apocalyptic number.

146313215 is a deficient number, since it is larger than the sum of its proper divisors (36608545).

146313215 is a wasteful number, since it uses less digits than its factorization.

146313215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12202.

The product of its digits is 2160, while the sum is 26.

The square root of 146313215 is about 12095.9999586640. Note that the first 4 decimals coincide. The cubic root of 146313215 is about 526.9400210428.

Adding to 146313215 its reverse (512313641), we get a palindrome (658626856).

The spelling of 146313215 in words is "one hundred forty-six million, three hundred thirteen thousand, two hundred fifteen".