150306213 has 4 divisors (see below), whose sum is σ = 200408288. Its totient is φ = 100204140.

The previous prime is 150306209. The next prime is 150306223. The reversal of 150306213 is 312603051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 150306213 - 2² = 150306209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 150306213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150306223) 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 3 ways as a sum of consecutive naturals, for example, 25051033 + ... + 25051038.

It is an arithmetic number, because the mean of its divisors is an integer number (50102072).

Almost surely, 2^150306213 is an apocalyptic number.

It is an amenable number.

150306213 is a deficient number, since it is larger than the sum of its proper divisors (50102075).

150306213 is an equidigital number, since it uses as much as digits as its factorization.

150306213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50102074.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 150306213 is about 12259.9434338010. The cubic root of 150306213 is about 531.6905942505.

Adding to 150306213 its reverse (312603051), we get a palindrome (462909264).

The spelling of 150306213 in words is "one hundred fifty million, three hundred six thousand, two hundred thirteen".