146215 has 4 divisors (see below), whose sum is σ = 175464. Its totient is φ = 116968.

The previous prime is 146213. The next prime is 146221. The reversal of 146215 is 512641.

146215 = 169² + 170² + ... + 173².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146215 - 2¹ = 146213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146192 and 146201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14617 + ... + 14626.

It is an arithmetic number, because the mean of its divisors is an integer number (43866).

2¹⁴⁶²¹⁵ is an apocalyptic number.

146215 is a deficient number, since it is larger than the sum of its proper divisors (29249).

146215 is an equidigital number, since it uses as much as digits as its factorization.

146215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29248.

The product of its digits is 240, while the sum is 19.

The square root of 146215 is about 382.3807003498. The cubic root of 146215 is about 52.6822089115.

Adding to 146215 its reverse (512641), we get a palindrome (658856).

It can be divided in two parts, 146 and 215, that added together give a square (361 = 19²).

The spelling of 146215 in words is "one hundred forty-six thousand, two hundred fifteen".