456143399 has 2 divisors, whose sum is σ = 456143400. Its totient is φ = 456143398.

The previous prime is 456143381. The next prime is 456143477. The reversal of 456143399 is 993341654.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456143399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456143339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228071699 + 228071700.

It is an arithmetic number, because the mean of its divisors is an integer number (228071700).

Almost surely, 2^456143399 is an apocalyptic number.

456143399 is a deficient number, since it is larger than the sum of its proper divisors (1).

456143399 is an equidigital number, since it uses as much as digits as its factorization.

456143399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The square root of 456143399 is about 21357.5138768537. The cubic root of 456143399 is about 769.7809007253.

The spelling of 456143399 in words is "four hundred fifty-six million, one hundred forty-three thousand, three hundred ninety-nine".