2150808745 has 8 divisors (see below), whose sum is σ = 2581628616. Its totient is φ = 1720208256.

The previous prime is 2150808743. The next prime is 2150808749. The reversal of 2150808745 is 5478080512.

It can be written as a sum of positive squares in 4 ways, for example, as 165482496 + 1985326249 = 12864^2 + 44557^2 .

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 2150808745 - 2¹ = 2150808743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2150808698 and 2150808707.

It is not an unprimeable number, because it can be changed into a prime (2150808743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32442 + ... + 73171.

It is an arithmetic number, because the mean of its divisors is an integer number (322703577).

Almost surely, 2^2150808745 is an apocalyptic number.

It is an amenable number.

2150808745 is a deficient number, since it is larger than the sum of its proper divisors (430819871).

2150808745 is a wasteful number, since it uses less digits than its factorization.

2150808745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109691.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 2150808745 is about 46376.8125791327. The cubic root of 2150808745 is about 1290.8246925032.

The spelling of 2150808745 in words is "two billion, one hundred fifty million, eight hundred eight thousand, seven hundred forty-five".