157216333 has 2 divisors, whose sum is σ = 157216334. Its totient is φ = 157216332.

The previous prime is 157216327. The next prime is 157216343. The reversal of 157216333 is 333612751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155426089 + 1790244 = 12467^2 + 1338^2 .

It is an emirp because it is prime and its reverse (333612751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157216333 - 2¹⁷ = 157085261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157216295 and 157216304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157216303) 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 as a sum of consecutive naturals, namely, 78608166 + 78608167.

It is an arithmetic number, because the mean of its divisors is an integer number (78608167).

Almost surely, 2^157216333 is an apocalyptic number.

It is an amenable number.

157216333 is a deficient number, since it is larger than the sum of its proper divisors (1).

157216333 is an equidigital number, since it uses as much as digits as its factorization.

157216333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 31.

The square root of 157216333 is about 12538.5937409265. The cubic root of 157216333 is about 539.7167387276.

The spelling of 157216333 in words is "one hundred fifty-seven million, two hundred sixteen thousand, three hundred thirty-three".