451041142443 has 16 divisors (see below), whose sum is σ = 633148531200. Its totient is φ = 284819340960.

The previous prime is 451041142441. The next prime is 451041142457. The reversal of 451041142443 is 344241140154.

It is not a de Polignac number, because 451041142443 - 2¹ = 451041142441 is a prime.

It is a super-2 number, since 2×451041142443² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451041142441) 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 in 15 ways as a sum of consecutive naturals, for example, 339603 + ... + 1008668.

It is an arithmetic number, because the mean of its divisors is an integer number (39571783200).

Almost surely, 2^451041142443 is an apocalyptic number.

451041142443 is a deficient number, since it is larger than the sum of its proper divisors (182107388757).

451041142443 is a wasteful number, since it uses less digits than its factorization.

451041142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354162.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 451041142443 its reverse (344241140154), we get a palindrome (795282282597).

The spelling of 451041142443 in words is "four hundred fifty-one billion, forty-one million, one hundred forty-two thousand, four hundred forty-three".