1345143040000 has 240 divisors, whose sum is σ = 3507166222560. Its totient is φ = 514652160000.

The previous prime is 1345143039991. The next prime is 1345143040061. The reversal of 1345143040000 is 403415431.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29417155 + ... + 29462845.

It is an arithmetic number, because the mean of its divisors is an integer number (14613192594).

Almost surely, 2^{1345143040000} is an apocalyptic number.

1345143040000 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 1345143040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1753583111280).

1345143040000 is an abundant number, since it is smaller than the sum of its proper divisors (2162023182560).

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

1345143040000 is an frugal number, since it uses more digits than its factorization.

1345143040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45756 (or 45721 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1345143040000 its reverse (403415431), we get a palindrome (1345546455431).

The spelling of 1345143040000 in words is "one trillion, three hundred forty-five billion, one hundred forty-three million, forty thousand".