2045480237 has 4 divisors (see below), whose sum is σ = 2045583516. Its totient is φ = 2045376960.

The previous prime is 2045480197. The next prime is 2045480293. The reversal of 2045480237 is 7320845402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 705114916 + 1340365321 = 26554^2 + 36611^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045480237 - 2²⁰ = 2044431661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045480197 and 2045480206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045480537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11564 + ... + 64997.

It is an arithmetic number, because the mean of its divisors is an integer number (511395879).

Almost surely, 2^2045480237 is an apocalyptic number.

It is an amenable number.

2045480237 is a deficient number, since it is larger than the sum of its proper divisors (103279).

2045480237 is an equidigital number, since it uses as much as digits as its factorization.

2045480237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103278.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 2045480237 is about 45226.9857164945. The cubic root of 2045480237 is about 1269.3998108482.

The spelling of 2045480237 in words is "two billion, forty-five million, four hundred eighty thousand, two hundred thirty-seven".