1345528160649 has 12 divisors (see below), whose sum is σ = 2010559320900. Its totient is φ = 866087091744.

The previous prime is 1345528160629. The next prime is 1345528160651. The reversal of 1345528160649 is 9460618255431.

1345528160649 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 5 + 28 + 1 + 606 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 254715024249 + 1090813136400 = 504693^2 + 1044420^2 .

It is not a de Polignac number, because 1345528160649 - 2¹³ = 1345528152457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345528160595 and 1345528160604.

It is not an unprimeable number, because it can be changed into a prime (1345528160629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2577639894 + ... + 2577640415.

It is an arithmetic number, because the mean of its divisors is an integer number (167546610075).

Almost surely, 2^{1345528160649} is an apocalyptic number.

It is an amenable number.

1345528160649 is a deficient number, since it is larger than the sum of its proper divisors (665031160251).

1345528160649 is a wasteful number, since it uses less digits than its factorization.

1345528160649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155280344 (or 5155280341 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 1345528160649 in words is "one trillion, three hundred forty-five billion, five hundred twenty-eight million, one hundred sixty thousand, six hundred forty-nine".