193145453 has 2 divisors, whose sum is σ = 193145454. Its totient is φ = 193145452.

The previous prime is 193145443. The next prime is 193145471. The reversal of 193145453 is 354541391.

193145453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110208004 + 82937449 = 10498^2 + 9107^2 .

It is a cyclic number.

It is not a de Polignac number, because 193145453 - 2¹² = 193141357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193145413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96572726 + 96572727.

It is an arithmetic number, because the mean of its divisors is an integer number (96572727).

Almost surely, 2^193145453 is an apocalyptic number.

It is an amenable number.

193145453 is a deficient number, since it is larger than the sum of its proper divisors (1).

193145453 is an equidigital number, since it uses as much as digits as its factorization.

193145453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 193145453 is about 13897.6779715174. The cubic root of 193145453 is about 578.0447966382.

The spelling of 193145453 in words is "one hundred ninety-three million, one hundred forty-five thousand, four hundred fifty-three".