164245033 has 2 divisors, whose sum is σ = 164245034. Its totient is φ = 164245032.

The previous prime is 164245027. The next prime is 164245043. The reversal of 164245033 is 330542461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149744169 + 14500864 = 12237^2 + 3808^2 .

It is an emirp because it is prime and its reverse (330542461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164245033 - 2¹³ = 164236841 is a prime.

It is a super-3 number, since 3×164245033³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164244992 and 164245010.

It is not a weakly prime, because it can be changed into another prime (164245043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82122516 + 82122517.

It is an arithmetic number, because the mean of its divisors is an integer number (82122517).

Almost surely, 2^164245033 is an apocalyptic number.

It is an amenable number.

164245033 is a deficient number, since it is larger than the sum of its proper divisors (1).

164245033 is an equidigital number, since it uses as much as digits as its factorization.

164245033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 164245033 is about 12815.8118353852. The cubic root of 164245033 is about 547.6428411798.

Adding to 164245033 its reverse (330542461), we get a palindrome (494787494).

The spelling of 164245033 in words is "one hundred sixty-four million, two hundred forty-five thousand, thirty-three".