455144887 has 2 divisors, whose sum is σ = 455144888. Its totient is φ = 455144886.

The previous prime is 455144849. The next prime is 455144897. The reversal of 455144887 is 788441554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455144887 - 2¹¹ = 455142839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455144897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227572443 + 227572444.

It is an arithmetic number, because the mean of its divisors is an integer number (227572444).

Almost surely, 2^455144887 is an apocalyptic number.

455144887 is a deficient number, since it is larger than the sum of its proper divisors (1).

455144887 is an equidigital number, since it uses as much as digits as its factorization.

455144887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 716800, while the sum is 46.

The square root of 455144887 is about 21334.1249410422. The cubic root of 455144887 is about 769.2187989776.

The spelling of 455144887 in words is "four hundred fifty-five million, one hundred forty-four thousand, eight hundred eighty-seven".