156030212 has 24 divisors (see below), whose sum is σ = 294499800. Its totient is φ = 71905536.

The previous prime is 156030209. The next prime is 156030227. The reversal of 156030212 is 212030651.

It can be written as a sum of positive squares in 4 ways, for example, as 12845056 + 143185156 = 3584^2 + 11966^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40214 + ... + 43922.

It is an arithmetic number, because the mean of its divisors is an integer number (12270825).

Almost surely, 2^156030212 is an apocalyptic number.

It is an amenable number.

156030212 is a deficient number, since it is larger than the sum of its proper divisors (138469588).

156030212 is a wasteful number, since it uses less digits than its factorization.

156030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 156030212 is about 12491.2053861907. The cubic root of 156030212 is about 538.3560105936.

Adding to 156030212 its reverse (212030651), we get a palindrome (368060863).

The spelling of 156030212 in words is "one hundred fifty-six million, thirty thousand, two hundred twelve".