1345021313442 has 8 divisors (see below), whose sum is σ = 2690042626896. Its totient is φ = 448340437812.

The previous prime is 1345021313411. The next prime is 1345021313509. The reversal of 1345021313442 is 2443131205431.

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

1345021313442 is an admirable number.

It is a super-2 number, since 2×1345021313442² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112085109448 + ... + 112085109459.

It is an arithmetic number, because the mean of its divisors is an integer number (336255328362).

Almost surely, 2^{1345021313442} is an apocalyptic number.

1345021313442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1345021313442 is a wasteful number, since it uses less digits than its factorization.

1345021313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224170218912.

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

Adding to 1345021313442 its reverse (2443131205431), we get a palindrome (3788152518873).

The spelling of 1345021313442 in words is "one trillion, three hundred forty-five billion, twenty-one million, three hundred thirteen thousand, four hundred forty-two".