406452143 has 2 divisors, whose sum is σ = 406452144. Its totient is φ = 406452142.

The previous prime is 406452103. The next prime is 406452157. The reversal of 406452143 is 341254604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406452143 - 2¹⁴ = 406435759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406452103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203226071 + 203226072.

It is an arithmetic number, because the mean of its divisors is an integer number (203226072).

Almost surely, 2^406452143 is an apocalyptic number.

406452143 is a deficient number, since it is larger than the sum of its proper divisors (1).

406452143 is an equidigital number, since it uses as much as digits as its factorization.

406452143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 406452143 is about 20160.6582977838. The cubic root of 406452143 is about 740.7468373161.

The spelling of 406452143 in words is "four hundred six million, four hundred fifty-two thousand, one hundred forty-three".