1345045002 has 80 divisors (see below), whose sum is σ = 3183728640. Its totient is φ = 378737856.

The previous prime is 1345045001. The next prime is 1345045003. The reversal of 1345045002 is 2005405431.

It is an interprime number because it is at equal distance from previous prime (1345045001) and next prime (1345045003).

It is not an unprimeable number, because it can be changed into a prime (1345045001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1050999 + ... + 1052277.

It is an arithmetic number, because the mean of its divisors is an integer number (39796608).

Almost surely, 2^1345045002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345045002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591864320).

1345045002 is an abundant number, since it is smaller than the sum of its proper divisors (1838683638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345045002 is an equidigital number, since it uses as much as digits as its factorization.

1345045002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1345045002 is about 36674.8551735382. The cubic root of 1345045002 is about 1103.8556164231.

The spelling of 1345045002 in words is "one billion, three hundred forty-five million, forty-five thousand, two".