454443142000 has 80 divisors (see below), whose sum is σ = 1101348705600. Its totient is φ = 181362835200.

The previous prime is 454443141979. The next prime is 454443142003. The reversal of 454443142000 is 241344454.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454443142003) 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, 619206 + ... + 1136794.

It is an arithmetic number, because the mean of its divisors is an integer number (13766858820).

Almost surely, 2^454443142000 is an apocalyptic number.

454443142000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454443142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550674352800).

454443142000 is an abundant number, since it is smaller than the sum of its proper divisors (646905563600).

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

454443142000 is a wasteful number, since it uses less digits than its factorization.

454443142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518051 (or 518035 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 454443142000 its reverse (241344454), we get a palindrome (454684486454).

The spelling of 454443142000 in words is "four hundred fifty-four billion, four hundred forty-three million, one hundred forty-two thousand".