1345435445 has 16 divisors (see below), whose sum is σ = 1646386560. Its totient is φ = 1055275200.

The previous prime is 1345435417. The next prime is 1345435447. The reversal of 1345435445 is 5445345431.

It is not a de Polignac number, because 1345435445 - 2¹⁰ = 1345434421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345435399 and 1345435408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345435447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53786 + ... + 74724.

It is an arithmetic number, because the mean of its divisors is an integer number (102899160).

Almost surely, 2^1345435445 is an apocalyptic number.

It is an amenable number.

1345435445 is a deficient number, since it is larger than the sum of its proper divisors (300951115).

1345435445 is a wasteful number, since it uses less digits than its factorization.

1345435445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21196.

The product of its digits is 288000, while the sum is 38.

The square root of 1345435445 is about 36680.1778212702. The cubic root of 1345435445 is about 1103.9624160720.

The spelling of 1345435445 in words is "one billion, three hundred forty-five million, four hundred thirty-five thousand, four hundred forty-five".