1345103321442 has 32 divisors (see below), whose sum is σ = 2734504188864. Its totient is φ = 440985902400.

The previous prime is 1345103321389. The next prime is 1345103321531. The reversal of 1345103321442 is 2441233015431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5291517 + ... + 5539887.

It is an arithmetic number, because the mean of its divisors is an integer number (85453255902).

Almost surely, 2^{1345103321442} is an apocalyptic number.

1345103321442 is an abundant number, since it is smaller than the sum of its proper divisors (1389400867422).

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

1345103321442 is a wasteful number, since it uses less digits than its factorization.

1345103321442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263234.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1345103321442 its reverse (2441233015431), we get a palindrome (3786336336873).

The spelling of 1345103321442 in words is "one trillion, three hundred forty-five billion, one hundred three million, three hundred twenty-one thousand, four hundred forty-two".