455143147231 has 4 divisors (see below), whose sum is σ = 456037338600. Its totient is φ = 454248955864.

The previous prime is 455143147223. The next prime is 455143147241. The reversal of 455143147231 is 132741341554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 455143147231 - 2³ = 455143147223 is a prime.

It is a super-2 number, since 2×455143147231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455143147241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447094921 + ... + 447095938.

It is an arithmetic number, because the mean of its divisors is an integer number (114009334650).

Almost surely, 2^455143147231 is an apocalyptic number.

455143147231 is a deficient number, since it is larger than the sum of its proper divisors (894191369).

455143147231 is an equidigital number, since it uses as much as digits as its factorization.

455143147231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894191368.

The product of its digits is 201600, while the sum is 40.

Adding to 455143147231 its reverse (132741341554), we get a palindrome (587884488785).

The spelling of 455143147231 in words is "four hundred fifty-five billion, one hundred forty-three million, one hundred forty-seven thousand, two hundred thirty-one".