1345325446442 has 8 divisors (see below), whose sum is σ = 2018319603300. Its totient is φ = 672552245344.

The previous prime is 1345325446441. The next prime is 1345325446463. The reversal of 1345325446442 is 2446445235431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1323675561121 + 21649885321 = 1150511^2 + 147139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1345325446442² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345325446441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55223717 + ... + 55248072.

Almost surely, 2^{1345325446442} is an apocalyptic number.

1345325446442 is a deficient number, since it is larger than the sum of its proper divisors (672994156858).

1345325446442 is a wasteful number, since it uses less digits than its factorization.

1345325446442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110477880.

The product of its digits is 5529600, while the sum is 47.

The spelling of 1345325446442 in words is "one trillion, three hundred forty-five billion, three hundred twenty-five million, four hundred forty-six thousand, four hundred forty-two".