451144146634142 has 96 divisors (see below), whose sum is σ = 793994501836800. Its totient is φ = 191492776335744.

The previous prime is 451144146634127. The next prime is 451144146634261. The reversal of 451144146634142 is 241436641441154.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 102150083 + ... + 106475009.

It is an arithmetic number, because the mean of its divisors is an integer number (8270776060800).

Almost surely, 2^{451144146634142} is an apocalyptic number.

451144146634142 is a deficient number, since it is larger than the sum of its proper divisors (342850355202658).

451144146634142 is a wasteful number, since it uses less digits than its factorization.

451144146634142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325450 (or 4325437 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 50.

The spelling of 451144146634142 in words is "four hundred fifty-one trillion, one hundred forty-four billion, one hundred forty-six million, six hundred thirty-four thousand, one hundred forty-two".