164458453 has 2 divisors, whose sum is σ = 164458454. Its totient is φ = 164458452.

The previous prime is 164458397. The next prime is 164458457. The reversal of 164458453 is 354854461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142993764 + 21464689 = 11958^2 + 4633^2 .

It is a cyclic number.

It is not a de Polignac number, because 164458453 - 2⁹ = 164457941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164458457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82229226 + 82229227.

It is an arithmetic number, because the mean of its divisors is an integer number (82229227).

Almost surely, 2^164458453 is an apocalyptic number.

It is an amenable number.

164458453 is a deficient number, since it is larger than the sum of its proper divisors (1).

164458453 is an equidigital number, since it uses as much as digits as its factorization.

164458453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 40.

The square root of 164458453 is about 12824.1355654095. The cubic root of 164458453 is about 547.8799408875.

The spelling of 164458453 in words is "one hundred sixty-four million, four hundred fifty-eight thousand, four hundred fifty-three".