1345311144522 has 96 divisors (see below), whose sum is σ = 3069800959680. Its totient is φ = 441513763200.

The previous prime is 1345311144503. The next prime is 1345311144553. The reversal of 1345311144522 is 2254411135431.

1345311144522 is a `hidden beast` number, since 1 + 3 + 4 + 531 + 114 + 4 + 5 + 2 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8709838 + ... + 8862950.

It is an arithmetic number, because the mean of its divisors is an integer number (31977093330).

Almost surely, 2^{1345311144522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345311144522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534900479840).

1345311144522 is an abundant number, since it is smaller than the sum of its proper divisors (1724489815158).

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

1345311144522 is a wasteful number, since it uses less digits than its factorization.

1345311144522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153410 (or 153398 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 1345311144522 its reverse (2254411135431), we get a palindrome (3599722279953).

Subtracting 1345311144522 from its reverse (2254411135431), we obtain a palindrome (909099990909).

The spelling of 1345311144522 in words is "one trillion, three hundred forty-five billion, three hundred eleven million, one hundred forty-four thousand, five hundred twenty-two".