154320213 has 4 divisors (see below), whose sum is σ = 205760288. Its totient is φ = 102880140.

The previous prime is 154320193. The next prime is 154320233. The reversal of 154320213 is 312023451.

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 an interprime number because it is at equal distance from previous prime (154320193) and next prime (154320233).

It is not a de Polignac number, because 154320213 - 2⁵ = 154320181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154320213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154320233) 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, 25720033 + ... + 25720038.

It is an arithmetic number, because the mean of its divisors is an integer number (51440072).

Almost surely, 2^154320213 is an apocalyptic number.

It is an amenable number.

154320213 is a deficient number, since it is larger than the sum of its proper divisors (51440075).

154320213 is an equidigital number, since it uses as much as digits as its factorization.

154320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51440074.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 154320213 is about 12422.5686957247. The cubic root of 154320213 is about 536.3820939414.

Adding to 154320213 its reverse (312023451), we get a palindrome (466343664).

The spelling of 154320213 in words is "one hundred fifty-four million, three hundred twenty thousand, two hundred thirteen".