354145453 has 2 divisors, whose sum is σ = 354145454. Its totient is φ = 354145452.

The previous prime is 354145447. The next prime is 354145471. The reversal of 354145453 is 354541453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349764804 + 4380649 = 18702^2 + 2093^2 .

It is a cyclic number.

It is not a de Polignac number, because 354145453 - 2⁹ = 354144941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354145433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177072726 + 177072727.

It is an arithmetic number, because the mean of its divisors is an integer number (177072727).

Almost surely, 2^354145453 is an apocalyptic number.

It is an amenable number.

354145453 is a deficient number, since it is larger than the sum of its proper divisors (1).

354145453 is an equidigital number, since it uses as much as digits as its factorization.

354145453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 34.

The square root of 354145453 is about 18818.7526951177. The cubic root of 354145453 is about 707.5012693356.

The spelling of 354145453 in words is "three hundred fifty-four million, one hundred forty-five thousand, four hundred fifty-three".