164455043 has 2 divisors, whose sum is σ = 164455044. Its totient is φ = 164455042.

The previous prime is 164454959. The next prime is 164455069. The reversal of 164455043 is 340554461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164455043 - 2¹⁰ = 164454019 is a prime.

It is a super-2 number, since 2×164455043² = 54090922336263698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164455843) 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, 82227521 + 82227522.

It is an arithmetic number, because the mean of its divisors is an integer number (82227522).

Almost surely, 2^164455043 is an apocalyptic number.

164455043 is a deficient number, since it is larger than the sum of its proper divisors (1).

164455043 is an equidigital number, since it uses as much as digits as its factorization.

164455043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 164455043 is about 12824.0026122892. The cubic root of 164455043 is about 547.8761541489.

The spelling of 164455043 in words is "one hundred sixty-four million, four hundred fifty-five thousand, forty-three".