1345960045 has 4 divisors (see below), whose sum is σ = 1615152060. Its totient is φ = 1076768032.

The previous prime is 1345960039. The next prime is 1345960073. The reversal of 1345960045 is 5400695431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 218477961 + 1127482084 = 14781^2 + 33578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345960045 - 2¹³ = 1345951853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345959986 and 1345960013.

It is a congruent number.

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, 134596000 + ... + 134596009.

It is an arithmetic number, because the mean of its divisors is an integer number (403788015).

Almost surely, 2^1345960045 is an apocalyptic number.

It is an amenable number.

1345960045 is a deficient number, since it is larger than the sum of its proper divisors (269192015).

1345960045 is an equidigital number, since it uses as much as digits as its factorization.

1345960045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269192014.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1345960045 is about 36687.3281256621. The cubic root of 1345960045 is about 1104.1058797690.

The spelling of 1345960045 in words is "one billion, three hundred forty-five million, nine hundred sixty thousand, forty-five".