156216315 has 16 divisors (see below), whose sum is σ = 264649248. Its totient is φ = 78414336.

The previous prime is 156216311. The next prime is 156216317. The reversal of 156216315 is 513612651.

It is not a de Polignac number, because 156216315 - 2² = 156216311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156216311) 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 15 ways as a sum of consecutive naturals, for example, 306052 + ... + 306561.

It is an arithmetic number, because the mean of its divisors is an integer number (16540578).

Almost surely, 2^156216315 is an apocalyptic number.

156216315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

156216315 is a deficient number, since it is larger than the sum of its proper divisors (108432933).

156216315 is a wasteful number, since it uses less digits than its factorization.

156216315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612638.

The product of its digits is 5400, while the sum is 30.

The square root of 156216315 is about 12498.6525273727. The cubic root of 156216315 is about 538.5699645889.

Adding to 156216315 its reverse (513612651), we get a palindrome (669828966).

The spelling of 156216315 in words is "one hundred fifty-six million, two hundred sixteen thousand, three hundred fifteen".