1345103523442 has 16 divisors (see below), whose sum is σ = 2305952986752. Its totient is φ = 576457630560.

The previous prime is 1345103523433. The next prime is 1345103523487. The reversal of 1345103523442 is 2443253015431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721323 + ... + 1791790.

It is an arithmetic number, because the mean of its divisors is an integer number (144122061672).

Almost surely, 2^{1345103523442} is an apocalyptic number.

1345103523442 is a deficient number, since it is larger than the sum of its proper divisors (960849463310).

1345103523442 is a wasteful number, since it uses less digits than its factorization.

1345103523442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551353.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1345103523442 its reverse (2443253015431), we get a palindrome (3788356538873).

The spelling of 1345103523442 in words is "one trillion, three hundred forty-five billion, one hundred three million, five hundred twenty-three thousand, four hundred forty-two".