2070445345 has 8 divisors (see below), whose sum is σ = 2518569576. Its totient is φ = 1633666176.

The previous prime is 2070445339. The next prime is 2070445361. The reversal of 2070445345 is 5435440702.

It can be written as a sum of positive squares in 4 ways, for example, as 594579456 + 1475865889 = 24384^2 + 38417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2070445345 - 2³ = 2070445337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2070445345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2835862 + ... + 2836591.

It is an arithmetic number, because the mean of its divisors is an integer number (314821197).

Almost surely, 2^2070445345 is an apocalyptic number.

It is an amenable number.

2070445345 is a deficient number, since it is larger than the sum of its proper divisors (448124231).

2070445345 is an equidigital number, since it uses as much as digits as its factorization.

2070445345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672531.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 2070445345 is about 45502.1465977156. The cubic root of 2070445345 is about 1274.5432879157.

It can be divided in two parts, 20704 and 45345, that added together give a square (66049 = 257²).

The spelling of 2070445345 in words is "two billion, seventy million, four hundred forty-five thousand, three hundred forty-five".