146033213 has 4 divisors (see below), whose sum is σ = 154623420. Its totient is φ = 137443008.

The previous prime is 146033197. The next prime is 146033231. The reversal of 146033213 is 312330641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312330641 = 7 ⋅44618663.

It can be written as a sum of positive squares in 2 ways, for example, as 88303609 + 57729604 = 9397^2 + 7598^2 .

It is a cyclic number.

It is not a de Polignac number, because 146033213 - 2⁴ = 146033197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146033263) 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 3 ways as a sum of consecutive naturals, for example, 4295078 + ... + 4295111.

It is an arithmetic number, because the mean of its divisors is an integer number (38655855).

Almost surely, 2^146033213 is an apocalyptic number.

It is an amenable number.

146033213 is a deficient number, since it is larger than the sum of its proper divisors (8590207).

146033213 is an equidigital number, since it uses as much as digits as its factorization.

146033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590206.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 146033213 is about 12084.4202591601. The cubic root of 146033213 is about 526.6036684692.

Adding to 146033213 its reverse (312330641), we get a palindrome (458363854).

The spelling of 146033213 in words is "one hundred forty-six million, thirty-three thousand, two hundred thirteen".