451543241223152 has 20 divisors (see below), whose sum is σ = 942162339860280. Its totient is φ = 208404572872128.

The previous prime is 451543241223121. The next prime is 451543241223157. The reversal of 451543241223152 is 251322142345154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451543241223157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085440483502 + ... + 1085440483917.

It is an arithmetic number, because the mean of its divisors is an integer number (47108116993014).

Almost surely, 2^{451543241223152} is an apocalyptic number.

It is an amenable number.

451543241223152 is an abundant number, since it is smaller than the sum of its proper divisors (490619098637128).

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

451543241223152 is a wasteful number, since it uses less digits than its factorization.

451543241223152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170880967440 (or 2170880967434 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 44.

The spelling of 451543241223152 in words is "four hundred fifty-one trillion, five hundred forty-three billion, two hundred forty-one million, two hundred twenty-three thousand, one hundred fifty-two".