455555143 has 2 divisors, whose sum is σ = 455555144. Its totient is φ = 455555142.

The previous prime is 455555123. The next prime is 455555173. The reversal of 455555143 is 341555554.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455555143 - 2¹³ = 455546951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455555123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227777571 + 227777572.

It is an arithmetic number, because the mean of its divisors is an integer number (227777572).

Almost surely, 2^455555143 is an apocalyptic number.

455555143 is a deficient number, since it is larger than the sum of its proper divisors (1).

455555143 is an equidigital number, since it uses as much as digits as its factorization.

455555143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150000, while the sum is 37.

The square root of 455555143 is about 21343.7377935543. The cubic root of 455555143 is about 769.4498476440.

The spelling of 455555143 in words is "four hundred fifty-five million, five hundred fifty-five thousand, one hundred forty-three".