1345503045 has 16 divisors (see below), whose sum is σ = 2184937920. Its totient is φ = 706890624.

The previous prime is 1345503017. The next prime is 1345503143. The reversal of 1345503045 is 5403055431.

It is not a de Polignac number, because 1345503045 - 2⁹ = 1345502533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668400 + ... + 670409.

It is an arithmetic number, because the mean of its divisors is an integer number (136558620).

Almost surely, 2^1345503045 is an apocalyptic number.

1345503045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345503045 is a deficient number, since it is larger than the sum of its proper divisors (839434875).

1345503045 is a wasteful number, since it uses less digits than its factorization.

1345503045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338884.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1345503045 is about 36681.0992883256. The cubic root of 1345503045 is about 1103.9809049089.

Adding to 1345503045 its reverse (5403055431), we get a palindrome (6748558476).

The spelling of 1345503045 in words is "one billion, three hundred forty-five million, five hundred three thousand, forty-five".