146326215 has 32 divisors (see below), whose sum is σ = 268346880. Its totient is φ = 66697344.

The previous prime is 146326177. The next prime is 146326217. The reversal of 146326215 is 512623641.

It is not a de Polignac number, because 146326215 - 2⁶ = 146326151 is a prime.

It is a super-2 number, since 2×146326215² = 42822722392452450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146326217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37957 + ... + 41633.

It is an arithmetic number, because the mean of its divisors is an integer number (8385840).

Almost surely, 2^146326215 is an apocalyptic number.

146326215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

146326215 is a deficient number, since it is larger than the sum of its proper divisors (122020665).

146326215 is a wasteful number, since it uses less digits than its factorization.

146326215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071.

The product of its digits is 8640, while the sum is 30.

The square root of 146326215 is about 12096.5373144549. The cubic root of 146326215 is about 526.9556268726.

Adding to 146326215 its reverse (512623641), we get a palindrome (658949856).

The spelling of 146326215 in words is "one hundred forty-six million, three hundred twenty-six thousand, two hundred fifteen".