1345450634641 has 8 divisors (see below), whose sum is σ = 1374448875624. Its totient is φ = 1316676318720.

The previous prime is 1345450634621. The next prime is 1345450634651. The reversal of 1345450634641 is 1464360545431.

It can be written as a sum of positive squares in 4 ways, for example, as 2123274241 + 1343327360400 = 46079^2 + 1159020^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1345450634641 - 2⁷ = 1345450634513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345450634591 and 1345450634600.

It is not an unprimeable number, because it can be changed into a prime (1345450634621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55969120 + ... + 55993153.

It is an arithmetic number, because the mean of its divisors is an integer number (171806109453).

Almost surely, 2^{1345450634641} is an apocalyptic number.

It is an amenable number.

1345450634641 is a deficient number, since it is larger than the sum of its proper divisors (28998240983).

1345450634641 is a wasteful number, since it uses less digits than its factorization.

1345450634641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111962531.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 1345450634641 in words is "one trillion, three hundred forty-five billion, four hundred fifty million, six hundred thirty-four thousand, six hundred forty-one".