156105213 has 8 divisors (see below), whose sum is σ = 227062176. Its totient is φ = 94609200.

The previous prime is 156105167. The next prime is 156105221. The reversal of 156105213 is 312501651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 156105213 - 2⁶ = 156105149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156105223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365198 + ... + 2365263.

It is an arithmetic number, because the mean of its divisors is an integer number (28382772).

Almost surely, 2^156105213 is an apocalyptic number.

It is an amenable number.

156105213 is a deficient number, since it is larger than the sum of its proper divisors (70956963).

156105213 is a wasteful number, since it uses less digits than its factorization.

156105213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730475.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 156105213 is about 12494.2071777284. The cubic root of 156105213 is about 538.4422562226.

Adding to 156105213 its reverse (312501651), we get a palindrome (468606864).

The spelling of 156105213 in words is "one hundred fifty-six million, one hundred five thousand, two hundred thirteen".