162785243 has 2 divisors, whose sum is σ = 162785244. Its totient is φ = 162785242.

The previous prime is 162785221. The next prime is 162785261. The reversal of 162785243 is 342587261.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (342587261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162785243 - 2¹⁶ = 162719707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162785197 and 162785206.

It is not a weakly prime, because it can be changed into another prime (162785213) 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 as a sum of consecutive naturals, namely, 81392621 + 81392622.

It is an arithmetic number, because the mean of its divisors is an integer number (81392622).

Almost surely, 2^162785243 is an apocalyptic number.

162785243 is a deficient number, since it is larger than the sum of its proper divisors (1).

162785243 is an equidigital number, since it uses as much as digits as its factorization.

162785243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 162785243 is about 12758.7320294769. The cubic root of 162785243 is about 546.0155494326.

The spelling of 162785243 in words is "one hundred sixty-two million, seven hundred eighty-five thousand, two hundred forty-three".