1454782545920 has 608 divisors, whose sum is σ = 4109470557696. Its totient is φ = 489055846400.

The previous prime is 1454782545917. The next prime is 1454782545929. The reversal of 1454782545920 is 295452874541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454782545929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13596098507 + ... + 13596098613.

Almost surely, 2^{1454782545920} is an apocalyptic number.

1454782545920 is a gapful number since it is divisible by the number (10) 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 1454782545920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2054735278848).

1454782545920 is an abundant number, since it is smaller than the sum of its proper divisors (2654688011776).

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

1454782545920 is an equidigital number, since it uses as much as digits as its factorization.

1454782545920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 56.

The spelling of 1454782545920 in words is "one trillion, four hundred fifty-four billion, seven hundred eighty-two million, five hundred forty-five thousand, nine hundred twenty".