45143440000 has 320 divisors, whose sum is σ = 117772300800. Its totient is φ = 17210880000.

The previous prime is 45143439989. The next prime is 45143440021. The reversal of 45143440000 is 4434154.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 270319917 + ... + 270320083.

It is an arithmetic number, because the mean of its divisors is an integer number (368038440).

Almost surely, 2^45143440000 is an apocalyptic number.

45143440000 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 45143440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58886150400).

45143440000 is an abundant number, since it is smaller than the sum of its proper divisors (72628860800).

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

45143440000 is a wasteful number, since it uses less digits than its factorization.

45143440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 45143440000 its reverse (4434154), we get a palindrome (45147874154).

The spelling of 45143440000 in words is "forty-five billion, one hundred forty-three million, four hundred forty thousand".