451382669142 has 32 divisors (see below), whose sum is σ = 903869615232. Its totient is φ = 150276942144.

The previous prime is 451382669141. The next prime is 451382669173. The reversal of 451382669142 is 241966283154.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451382669141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22228738 + ... + 22249034.

It is an arithmetic number, because the mean of its divisors is an integer number (28245925476).

Almost surely, 2^451382669142 is an apocalyptic number.

451382669142 is an abundant number, since it is smaller than the sum of its proper divisors (452486946090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451382669142 is a wasteful number, since it uses less digits than its factorization.

451382669142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24652.

The product of its digits is 2488320, while the sum is 51.

The spelling of 451382669142 in words is "four hundred fifty-one billion, three hundred eighty-two million, six hundred sixty-nine thousand, one hundred forty-two".