164145463 has 2 divisors, whose sum is σ = 164145464. Its totient is φ = 164145462.

The previous prime is 164145433. The next prime is 164145467. The reversal of 164145463 is 364541461.

164145463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164145463 - 2²¹ = 162048311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164145467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82072731 + 82072732.

It is an arithmetic number, because the mean of its divisors is an integer number (82072732).

Almost surely, 2^164145463 is an apocalyptic number.

164145463 is a deficient number, since it is larger than the sum of its proper divisors (1).

164145463 is an equidigital number, since it uses as much as digits as its factorization.

164145463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 164145463 is about 12811.9265920470. The cubic root of 164145463 is about 547.5321532655.

The spelling of 164145463 in words is "one hundred sixty-four million, one hundred forty-five thousand, four hundred sixty-three".