146500215 has 32 divisors (see below), whose sum is σ = 240869376. Its totient is φ = 76003200.

The previous prime is 146500213. The next prime is 146500243. The reversal of 146500215 is 512005641.

It is not a de Polignac number, because 146500215 - 2¹ = 146500213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146500213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100240 + ... + 101690.

It is an arithmetic number, because the mean of its divisors is an integer number (7527168).

Almost surely, 2^146500215 is an apocalyptic number.

146500215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

146500215 is a deficient number, since it is larger than the sum of its proper divisors (94369161).

146500215 is a wasteful number, since it uses less digits than its factorization.

146500215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 146500215 is about 12103.7273184751. The cubic root of 146500215 is about 527.1644159798.

Adding to 146500215 its reverse (512005641), we get a palindrome (658505856).

The spelling of 146500215 in words is "one hundred forty-six million, five hundred thousand, two hundred fifteen".